Cholestasis | National Institute of Environmental Health Sciences Skip Navigation Cholestasis Close the left navigation Add Much of the work carried out by DTT is in support of the National Toxicology Program (NTP), an interagency partnership of the Food and Drug Administration, National Institute for Occupational Safety and Health, and NIEHS. Visit the NTP Website The Digitized Atlas of Mouse Liver Lesions Cholestasis in a mouse treated with Phenobarbital. Back to Top Last Reviewed: February 04, 2026