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Digital health literacy as mediator between language preference and telehealth use among Latinos in the United States. J Am Med Inform Assoc. 2026 Mar 01; 33(3):719-723. Linares M, Rodriguez JA, Wisk LE, Bell DS, Brown A, Casillas A. PMID: 41528308; PMCID: PMC12981654.
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"I am Still the Same Person That Left": Time, Tension, and Identity in Low-Income US Medical Students. Teach Learn Med. 2025 Dec 16; 1-11. Wyatt TR, Konopasky A, Casillas A, Nguyen M, McClain-Gierach S, Blalock AE. PMID: 41399311.
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A self-report measure of digital skills needed to use digital health tools among older adults-the Skills Measurement and Readiness Training for Digital Health (SMART Digital Health) Scale. J Am Med Inform Assoc. 2025 Nov 01; 32(11):1674-1684. Tieu L, Lyles CR, Kim HC, Luna I, Wong J, Lopez-Solano N, Li J, Yang A, Rodriguez JA, Nguyen OK, Casillas A, De Marchis EH, Stewart AL, Neilands TB, Khoong EC. PMID: 40971609; PMCID: PMC12626212.
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Video and Infographic Messages From Primary Care Physicians and Influenza Vaccination Rates: A Randomized Clinical Trial. JAMA Netw Open. 2025 Aug 01; 8(8):e2526514. Szilagyi PG, Clark EJ, Duru OK, Casillas A, Ong MK, Vangala S, Tseng CH, Albertin C, Humiston SG, Ross MK, Evans S, Kumar A, Chakarian I, Sloyan M, Fox CR, Rand CM, Lerner C. PMID: 40802184; PMCID: PMC12351418.
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Fruit and Vegetable Consumption, Household Food Insecurity, and SNAP Participation Among Attendees of Free Produce Events at Safety-Net Health Center Sites. Nutrients. 2025 May 29; 17(11). Caldwell JI, Darwish-Elsherbiny F, Macon K, Moon G, Casillas A, Brown AF, Shah D, Kuo T. PMID: 40507118; PMCID: PMC12157926.
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Digital health implementation among older adults: health technology navigators' perspectives. Am J Manag Care. 2025 May 01; 31(5):e125-e131. Wang K, Hernandez AM, Penate V, Abhat A, Casillas A. PMID: 40387720.
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Digital Health Technology Use Among Spanish Speakers in the US: A Scoping Review. JAMA Netw Open. 2025 05 01; 8(5):e2510386. Higashi RT, Thakur B, Repasky EC, Casillas A, Steitz BD, Hogan TP, Lehmann CU, Peterson ED, Navar AM, Turer RW. PMID: 40372754; PMCID: PMC12082372.
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Centering Health Equity in an Increasingly Digital Environment. Perspect Biol Med. 2025; 68(2):351-369. Khoong EC, Casillas A, Gutierrez G, Lyles CR, Pandita D, Richardson S, Rodriguez JA. PMID: 40485461; PMCID: PMC12256345.
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Community-Engaged Approaches for Improving the Inclusion of Diverse Communities in a Nutrition Clinical Trial. Nutrients. 2024 Oct 23; 16(21). Adeyemo MA, Trinh J, Perez D, Bozeman E, Ntekume E, Gardner J, Thames G, Luong T, Carson SL, Vassar S, Norris K, Li Z, Brown AF, Casillas A. PMID: 39519425; PMCID: PMC11547249.
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Person-Environment Fit and Socioeconomic Status in Medical School. Med Sci Educ. 2025 Feb; 35(1):233-243. Russell RG, Nguyen M, Havemann C, Webber A, Parilla JA, Casillas A, Boatright D, Mason H. PMID: 40144104; PMCID: PMC11933605.
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Pediatrician Knowledge of Early Intervention Process as Contributor to Disparities in Management of Development Delay. Matern Child Health J. 2024 Nov; 28(11):1911-1919. Gallegos A, Casillas A, Chung PJ, Dudovitz R. PMID: 39261399.
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Lessons learned from a multi-site collaborative working toward a digital health use screening tool. Front Public Health. 2024; 12:1421129. Hernandez AM, Khoong EC, Kanwar N, Lopez-Solano N, Rodriguez JA, De Marchis E, Nguyen OK, Casillas A. PMID: 39040864; PMCID: PMC11260723.
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Text vs Patient Portal Messaging to Improve Influenza Vaccination Coverage: A Health System-Wide Randomized Clinical Trial. JAMA Intern Med. 2024 May 01; 184(5):519-527. Szilagyi PG, Duru OK, Casillas A, Ong MK, Vangala S, Tseng CH, Albertin C, Humiston SG, Clark E, Ross MK, Evans SA, Sloyan M, Fox CR, Lerner C. PMID: 38497955; PMCID: PMC10949147.
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Community and Healthcare Perspectives on Implementing Hypertension Interventions for a Multiethnic Safety-Net Population. Ethn Dis. 2023 Dec; DECIPHeR(Spec Issue):68-80. Sandesara UN, Carson SL, Dopp A, Perez LG, Sadia A, Wali S, Park NJ, Casillas A, Kim G, Morales MG, Ntekume E, Song S, Gandhi P, Wafford T, Brown AF. PMID: 38846736; PMCID: PMC11895540.
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The Los Angeles County Department of Health Services Health Technology Navigators: A novel health workforce to digitally empower patient communities in safety net systems. J Med Access. 2024 Jan-Dec; 8:27550834231223024. Casillas A, Abhat A. PMID: 38225933; PMCID: PMC10788075.
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Challenges Facing First-Generation College Graduates in Medical School: A Qualitative Analysis. JAMA Netw Open. 2023 12 01; 6(12):e2347528. Havemann C, Mason HRC, Russell RG, Casillas A, Nguyen M, Boatright D, Webber A, Parrilla JA, Gallegos A, Wyatt TR. PMID: 38091039; PMCID: PMC10719755.
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Evaluation of behavioral economic strategies to raise influenza vaccination rates across a health system: Results from a randomized clinical trial. Prev Med. 2023 05; 170:107474. Szilagyi PG, Casillas A, Duru OK, Ong MK, Vangala S, Tseng CH, Albertin C, Humiston SG, Ross MK, Friedman SR, Evans S, Sloyan M, Bogard JE, Fox CR, Lerner C. PMID: 36870572; PMCID: PMC11064058.
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Visibility & support for first generation college graduates in medicine. Med Educ Online. 2022 Dec; 27(1):2011605. Gallegos A, Gordon LK, Moreno G, Nahm S, Brown K, Walker V, Rangel V, Clavijo S, Casillas A. PMID: 34978277; PMCID: PMC8725711.
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STOP COVID-19 CA: Community engagement to address the disparate impacts of the COVID-19 pandemic in California. Front Health Serv. 2022; 2:935297. Casillas A, Rosas LG, Carson SL, Orechwa A, North G, AuYoung M, Kim G, Guereca JA, Ramers CB, Burke NJ, Corchado CG, Aguilar-Gaxiola S, Cheney A, Rabin BA, Stadnick NA, Oswald W, Cabrera A, Sorkin DH, Zaldivar F, Wong W, Yerraguntala AS, Vassar SD, Wright AL, Washington DL, Norris KC, Brown AF. PMID: 36925779; PMCID: PMC10012632.
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Exploring Perspectives on Establishing COVID-19 Vaccine Confidence in Black Communities. Ethn Dis. 2022; 32(4):341-350. Mansfield LN, Carson SL, Castellon-Lopez Y, Casillas A, Morris D, Ntekume E, Barron J, Norris KC, Brown AF. PMID: 36388857; PMCID: PMC9590598.
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A community-partnered approach for diversity in COVID-19 vaccine clinical trials. J Clin Transl Sci. 2023; 7(1):e23. Castellon-Lopez Y, Landovitz R, Ntekume E, Porter C, Bross R, Hilder R, Lucas-Wright A, Daar ES, Chavez P, Blades C, Carson S, Morris D, Vassar S, Casillas A, Brown A. PMID: 36714798; PMCID: PMC9874035.
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A qualitative study of COVID-19 vaccine decision making among urban Native Americans. Vaccine X. 2022 Dec; 12:100212. Epperson AE, Carson SL, Garcia AN, Casillas A, Castellon-Lopez Y, Brown AF, Garrison NA. PMID: 36059599; PMCID: PMC9423870.
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Perspectives from leadership and frontline staff on telehealth transitions in the Los Angeles safety net during the COVID-19 pandemic and beyond. Front Digit Health. 2022; 4:944860. Casillas A, Valdovinos C, Wang E, Abhat A, Mendez C, Gutierrez G, Portz J, Brown A, Lyles CR. PMID: 36016601; PMCID: PMC9398195.
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The language of COVID-19: Health systems must now prioritize responsive in-language and culturally-tailored messaging. Int J Disaster Risk Reduct. 2022 Jul; 77:103077. Casillas A, Flores-Uribe E, Abhat A, Moreno G, Brown A, Szilagyi PG, Norris K. PMID: 35673629; PMCID: PMC9159962.
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"The System Doesn't Let Us in"-A Call for Inclusive COVID-19 Vaccine Outreach Rooted in Los Angeles Latinos' Experience of Pandemic Hardships and Inequities. Int J Environ Res Public Health. 2022 05 10; 19(10). Castellon-Lopez YM, Carson SL, Mansfield L, Garrison NA, Barron J, Morris D, Ntekume E, Vassar SD, Norris KC, Brown AF, Casillas A. PMID: 35627322; PMCID: PMC9141159.
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How can patient portals support caregivers of older adults near the end-of-life? A mixed-methods study. J Am Geriatr Soc. 2022 08; 70(8):2431-2435. Portz JD, Powers JD, Baldwin M, Gleason K, Casillas A, Bekelman DB, Boxer R, Bayliss E, Palen TE. PMID: 35488465; PMCID: PMC9378599.
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Fishing for health: Neighborhood variation in fish intake, fish quality and association with stroke risk among older adults in the Cardiovascular Health Study. Nutr Metab Cardiovasc Dis. 2022 06; 32(6):1410-1417. Liang LJ, Casillas A, Longstreth WT, PhanVo L, Vassar SD, Brown AF. PMID: 35346546; PMCID: PMC9472873.
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Moving Towards Equity With Digital Health Innovations for Stroke Care. Stroke. 2022 03; 53(3):689-697. Verma A, Towfighi A, Brown A, Abhat A, Casillas A. PMID: 35124973; PMCID: PMC8885852.
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The Impact of Telemedicine on Quality of Care for Patients with Diabetes After March 2020. J Gen Intern Med. 2022 04; 37(5):1198-1203. Quinton JK, Ong MK, Sarkisian C, Casillas A, Vangala S, Kakani P, Han M. PMID: 35091921; PMCID: PMC8796744.
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Addressing racial/ethnic inequities in vaccine hesitancy and uptake: lessons learned from the California alliance against COVID-19. J Behav Med. 2023 04; 46(1-2):153-166. AuYoung M, Rodriguez Espinosa P, Chen WT, Juturu P, Young MT, Casillas A, Adkins-Jackson P, Hopfer S, Kissam E, Alo AK, Vargas RA, Brown AF, STOP COVID-19 C. A. Communications Working Group. PMID: 35066696; PMCID: PMC8783654.
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Electronic Health Literacy among Linguistically Diverse Patients in the Los Angeles County Safety Net Health System. Ethn Dis. 2022; 32(1):21-30. Valdovinos C, Perez-Aguilar G, Huerta RG, Barrios C, Gutierrez G, Mendez C, Abhat A, Moreno G, Brown A, Casillas A. PMID: 35106041; PMCID: PMC8785863.
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"We need to bring them out from the shadows:" A qualitative study of safety net physician leaders' perspectives on caregivers. Patient Educ Couns. 2022 06; 105(6):1663-1670. Semere W, Cemballi AG, Schillinger D, Casillas A, Lemberg M, Lyles CR. PMID: 34756473; PMCID: PMC9033884.
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Effect of Personalized Messages Sent by a Health System's Patient Portal on Influenza Vaccination Rates: a Randomized Clinical Trial. J Gen Intern Med. 2022 02; 37(3):615-623. Szilagyi PG, Albertin CS, Casillas A, Valderrama R, Duru OK, Ong MK, Vangala S, Tseng CH, Humiston SG, Evans S, Sloyan M, Bogard JE, Fox CR, Lerner C. PMID: 34472020; PMCID: PMC8858355.
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COVID-19 Vaccine Decision-making Factors in Racial and Ethnic Minority Communities in Los Angeles, California. JAMA Netw Open. 2021 09 01; 4(9):e2127582. Carson SL, Casillas A, Castellon-Lopez Y, Mansfield LN, Morris D, Barron J, Ntekume E, Landovitz R, Vassar SD, Norris KC, Dubinett SM, Garrison NA, Brown AF. PMID: 34591103; PMCID: PMC8485164.
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The Association of Broadband Internet Access and Telemedicine Utilization in rural Western Tennessee: an observational study. BMC Health Serv Res. 2021 Aug 03; 21(1):765. Quinton JK, Ong MK, Vangala S, Tetleton-Burns A, Webb A, Sarkisian C, Casillas A, Kakani P, Han M, Pirtle CJ. PMID: 34344377; PMCID: PMC8329625.
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Patient Portal Reminders for Pediatric Influenza Vaccinations: A Randomized Clinical Trial. Pediatrics. 2021 08; 148(2). Lerner C, Albertin C, Casillas A, Duru OK, Ong MK, Vangala S, Humiston S, Evans S, Sloyan M, Fox CR, Bogard JE, Friedman S, Szilagyi PG. PMID: 34321338; PMCID: PMC8669575.
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Medical Schools Must Help First-Generation Medical Students Realize Their Full Potential. Acad Med. 2021 06 01; 96(6):774-775. Gallegos A, Gordon LK, Casillas A. PMID: 34031297.
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Characteristics of Patients and Proxy Caregivers Using Patient Portals in the Setting of Serious Illness and End of Life. J Palliat Med. 2021 11; 24(11):1697-1704. Dickman Portz J, Powers JD, Casillas A, Baldwin M, Bekelman DB, Palen TE, Bull S, Kutner JS, Bayliss E. PMID: 34061675; PMCID: PMC9022132.
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Characteristics of Medicare beneficiaries utilizing telemedicine after July 2020. J Am Geriatr Soc. 2021 09; 69(9):2670-2672. Quinton JK, Han M, Casillas A, Vangala S, Kakani P, Sarkisian C, Ong MK. PMID: 33983635; PMCID: PMC9397149.
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Culture and Cognition-the Association Between Acculturation and Self-reported Memory Problems Among Middle-aged and Older Latinos in the National Health and Nutrition Examination Survey (NHANES), 1999 to 2014. J Gen Intern Med. 2022 01; 37(1):258-260. Casillas A, Liang LJ, Vassar S, Brown A. PMID: 33532962; PMCID: PMC8738827.
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Patient Portal Use Near the End-of-Life. J Gen Intern Med. 2021 Jan 27. Portz JD, Powers JD, Baldwin M, Bekelman DB, Casillas A, Kutner JS, Bayliss E. PMID: 33506403.
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Portals of Change: How Patient Portals Will Ultimately Work for Safety Net Populations. J Med Internet Res. 2020 10 23; 22(10):e16835. Casillas A, Abhat A, Mahajan A, Moreno G, Brown AF, Simmons S, Szilagyi P. PMID: 33094732; PMCID: PMC7647808.
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An Untapped Potential in Primary Care: Semi-Structured Interviews with Clinicians on How Patient Portals Will Work for Caregivers in the Safety Net. J Med Internet Res. 2020 07 20; 22(7):e18466. Casillas A, Cemballi AG, Abhat A, Lemberg M, Portz JD, Sadasivaiah S, Ratanawongsa N, Semere W, Brown A, Lyles CR. PMID: 32706709; PMCID: PMC7400036.
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Effect of Patient Portal Reminders Sent by a Health Care System on Influenza Vaccination Rates: A Randomized Clinical Trial. JAMA Intern Med. 2020 07 01; 180(7):962-970. Szilagyi PG, Albertin C, Casillas A, Valderrama R, Duru OK, Ong MK, Vangala S, Tseng CH, Rand CM, Humiston SG, Evans S, Sloyan M, Lerner C. PMID: 32421168; PMCID: PMC7235900.
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Perceptions of Patient Portal Use for Advance Directive Documentation among Older Adults with Multiple Chronic Conditions. J Soc Work End Life Palliat Care. 2020 Jul-Sep; 16(3):238-249. Portz JD, Lum HD, Bull S, Boxer RS, Bekelman DB, Ford KL, Gleason K, Casillas A, Bayliss EA. PMID: 32482160; PMCID: PMC9205613.
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Understanding the Experiences of First-Generation Medical Students: Implications for a Diverse Physician Workforce. Acad Psychiatry. 2020 Aug; 44(4):467-470. Romero R, Miotto K, Casillas A, Sanford J. PMID: 32399837.
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Su salud a la mano (your health at hand): patient perceptions about a bilingual patient portal in the Los Angeles safety net. J Am Med Inform Assoc. 2019 12 01; 26(12):1525-1535. Casillas A, Perez-Aguilar G, Abhat A, Gutierrez G, Olmos-Ochoa TT, Mendez C, Mahajan A, Brown A, Moreno G. PMID: 31373362; PMCID: PMC6857500.
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Trends in Memory Problems and Race/Ethnicity in the National Health and Examination Survey, 1999-2014. Ethn Dis. 2019; 29(3):525-534. Casillas A, Liang LJ, Vassar S, Brown A. PMID: 31367174; PMCID: PMC6645717.
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"Call a Teenager… That's What I Do!" - Grandchildren Help Older Adults Use New Technologies: Qualitative Study. JMIR Aging. 2019 Jun 06; 2(1):e13713. Portz JD, Fruhauf C, Bull S, Boxer RS, Bekelman DB, Casillas A, Gleason K, Bayliss EA. PMID: 31518274; PMCID: PMC6715044.
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Hepatitis B prevalence, risk factors, infection awareness and disease knowledge among inmates: a cross-sectional study in Switzerland's largest pre-trial prison. J Glob Health. 2018 12; 8(2):020407. Gétaz L, Casillas A, Siegrist CA, Chappuis F, Togni G, Tran NT, Baggio S, Negro F, Gaspoz JM, Wolff H. PMID: 30140433; PMCID: PMC6076584.
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Implementing infection prevention practices across European hospitals: an in-depth qualitative assessment. BMJ Qual Saf. 2018 10; 27(10):771-780. Clack L, Zingg W, Saint S, Casillas A, Touveneau S, da Liberdade Jantarada F, Willi U, van der Kooi T, Damschroder LJ, Forman JH, Harrod M, Krein S, Pittet D, Sax H, PROHIBIT Consortium. PMID: 29950324; PMCID: PMC6166596.
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A Digital Language Divide? The Relationship between Internet Medication Refills and Medication Adherence among Limited English Proficient (LEP) Patients. J Racial Ethn Health Disparities. 2018 12; 5(6):1373-1380. Casillas A, Moreno G, Grotts J, Tseng CH, Morales LS. PMID: 29600351; PMCID: PMC6163088.
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Immunisation coverage among adolescents in a Swiss juvenile correctional facility. Acta Paediatr. 2016 Dec; 105(12):e600-e602. Jeannot E, Huber T, Casillas A, Wolff H, Getaz L. PMID: 27392168.
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Hepatitis A immunity and region-of-origin in a Swiss prison. Int J Prison Health. 2016 06 13; 12(2):98-105. Getaz L, Casillas A, Motamed S, Gaspoz JM, Chappuis F, Wolff H. PMID: 27219907.
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[Measles and chickenpox susceptibility among immigrants]. Rev Med Suisse. 2016 May 04; 12(517):882-4. Gétaz L, Casillas A, Wolff H. PMID: 27323481.
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Self-harm and overcrowding among prisoners in Geneva, Switzerland. Int J Prison Health. 2016; 12(1):39-44. Wolff H, Casillas A, Perneger T, Heller P, Golay D, Mouton E, Bodenmann P, Getaz L. PMID: 26933991.
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Prevention of violence in prison - The role of health care professionals. J Forensic Leg Med. 2015 Aug; 34:127-32. Pont J, Stöver H, Gétaz L, Casillas A, Wolff H. PMID: 26165671.
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The border of reproductive control: undocumented immigration as a risk factor for unintended pregnancy in Switzerland. J Immigr Minor Health. 2015 Apr; 17(2):527-34. Casillas A, Bodenmann P, Epiney M, Gétaz L, Irion O, Gaspoz JM, Wolff H. PMID: 24186358.
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Association between education and quality of diabetes care in Switzerland. Int J Gen Med. 2015; 8:87-92. Flatz A, Casillas A, Stringhini S, Zuercher E, Burnand B, Peytremann-Bridevaux I. PMID: 25759596; PMCID: PMC4346359.
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No consistent association between processes-of-care and health-related quality of life among patients with diabetes: a missing link? BMJ Open Diabetes Res Care. 2015; 3(1):e000042. Casillas A, Iglesias K, Flatz A, Burnand B, Peytremann-Bridevaux I. PMID: 25621176; PMCID: PMC4298028.
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Is the Front Line Prepared for the Changing Faces of Patients? Predictors of Cross-Cultural Preparedness Among Clinical Nurses and Resident Physicians in Lausanne, Switzerland. Teach Learn Med. 2015; 27(4):379-86. Casillas A, Paroz S, Green AR, Wolff H, Weber O, Faucherre F, Ninane F, Bodenmann P. PMID: 26507995.
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Baseline data of a population-based cohort of patients with diabetes in Switzerland (CoDiab-VD). Swiss Med Wkly. 2014; 144:w13951. Zuercher E, Casillas A, Hagon-Traub I, Bordet J, Burnand B, Peytremann-Bridevaux I. PMID: 24863132.
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Screening primary-care patients forgoing health care for economic reasons. PLoS One. 2014; 9(4):e94006. Bodenmann P, Favrat B, Wolff H, Guessous I, Panese F, Herzig L, Bischoff T, Casillas A, Golano T, Vaucher P. PMID: 24699726; PMCID: PMC3974836.
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Cultural competency of health-care providers in a Swiss University Hospital: self-assessed cross-cultural skillfulness in a cross-sectional study. BMC Med Educ. 2014 Jan 30; 14:19. Casillas A, Paroz S, Green AR, Wolff H, Weber O, Faucherre F, Ninane F, Bodenmann P. PMID: 24479405; PMCID: PMC3914723.
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Opioid substitution treatment in pretrial prison detention: a case study from Geneva, Switzerland. Swiss Med Wkly. 2013; 143:w13898. Favrod-Coune T, Baroudi M, Casillas A, Rieder JP, Gétaz L, Barro J, Gaspoz JM, Broers B, Wolff H. PMID: 24186493.
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Health care in small prisons: incorporating high-quality standards. Int J Prison Health. 2013; 9(1):20-30. Rieder JP, Casillas A, Mary G, Secretan AD, Gaspoz JM, Wolff H. PMID: 25758320.
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A long way from home: comparing mental health measures between foreign and U.S.-born Latinos in the Multi-Ethnic Study of Atherosclerosis (MESA). J Health Care Poor Underserved. 2012 Nov; 23(4):1719-32. Casillas A, Leng M, Liu K, Hernandez A, Shrager S, Kanaya A. PMID: 23698686; PMCID: PMC4384437.
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The impact of social communication on perceived HPV vaccine effectiveness in a low-income, minority population. Ethn Dis. 2011; 21(4):495-501. Casillas A, Singhal R, Tsui J, Glenn BA, Bastani R, Mangione CM. PMID: 22428357.
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Adverse drug reactions: types and treatment options. Am Fam Physician. 2003 Nov 01; 68(9):1781-90. Riedl MA, Casillas AM. PMID: 14620598.
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A current review of Ebola virus: pathogenesis, clinical presentation, and diagnostic assessment. Biol Res Nurs. 2003 Apr; 4(4):268-75. Casillas AM, Nyamathi AM, Sosa A, Wilder CL, Sands H. PMID: 12698919.
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Exploring Alternative Models of Complex Patient Management with Artificial Neural Networks. Adv Health Sci Educ Theory Pract. 2000; 5(1):23-41. Casillas AM, Clyman SG, Fan YV, Stevens RH. PMID: 12386474.
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