title: The Samuel L. Kountz Award. John Ruffin.
mesh_terms: D001741:Black or African American; D001363:Awards and Prizes; D049673:History, 20th Century; D006801:Humans; D016030:Kidney Transplantation / Q000266:history; D008913:Minority Groups; D009316:National Institutes of Health (U.S.); D014180:Transplantation / Q000266:history; D014481:United States