The drop was due mostly to the increased use of the Pap test.
That drop was due mostly to the increased use of the Pap test.
1963, short for Papanicolaou (1947) in reference to George Nicholas Papanicolaou (1883-1962), Greek-born U.S. anatomist who developed the technique of examining secreted cells to test for cancer.
Pap test n.
A test for cancer, especially of the female genital tract, in which a smear of cells exfoliated or scraped from a mucosal surface is stained with Papanicolaou stain and examined under a microscope for pathological changes. Also called smear test.