What's in a name.
D002309:Cardiology / Q000266:history; D006405:Hematology / Q000266:history*; D049673:History, 20th Century; D007883:Legislation, Medical / Q000266:history*; D008171:Lung Diseases / Q000266:history; D009316:National Institutes of Health (U.S.) / Q000266:history*; D012106:Research; D014481:United States