Dr. Papanicolaou and the Pap smear.
D000818:Animals; D005260:Female; D005858:Germany; D006115:Greece; D006168:Guinea Pigs; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008495:Medical Oncology / Q000266:history; D009518:New York; D065006:Papanicolaou Test; D014626:Vaginal Smears / Q000266:history*