Pap Smear Introduced

The Pap smear was introduced as a method of diagnosing carcinomas in the female genital tract by George Papanicolaou.1

• 1Papanicolaou, G.N. and Traut, H.F. "The Diagnostic Value of Vaginal Smears in Carcinoma of the Uterus." American Journal of Obstetrics and Gynecology. 42 (1941): 193-206. [PUBMED]