The career of Surgeon General Thomas J. Parran, Jr., MD, (1892-1968).
D049673:History, 20th Century; D006801:Humans; D008486:Physician Executives / Q000266:history; D011634:Public Health / Q000266:history; D012749:Sexually Transmitted Diseases / Q000266:history; D014481:United States; D014492:United States Public Health Service / Q000266:history*