The historical roots and ideological functions of disease concepts in three primary care specialties.
D004194:Disease; D005194:Family Practice / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007388:Internal Medicine / Q000266:history; D010372:Pediatrics / Q000266:history; D011320:Primary Health Care / Q000266:history*; D014481:United States