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https://www.federalregister.gov/documents/2019/04/25/2019-08017/patient-protection-and-aff…

Federal Register :: Patient Protection and Affordable Care Act; HHS Notice of Benefit and Payment Parameters for 2020 Skip to Content Home Sections Money Environment World Science & Technology Business & Industry Health & Public Welfare Browse Agencies Topics (CFR Indexing Terms)…

https://www.academia.edu/129253657/Albert_Reixach_Sala_Pau_Viciano_Social_mobility_in_the_…

Albert Reixach Sala, Pau Viciano Social mobility in the towns and countryside of the late medieval Crown of Aragon (c. 1300-c. 1550): sources and methodological approaches 1 1. Introduction Social mobility is a subject implicit in many dynamics traditionally studied by the histor…