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jan 1, 1928 - The Pap Smear

Description:

George Papanicolaou discovers that the examination of cells from the vagina under a microscope can detect cervical cancer. This breakthrough leads to the development of the Pap test that allows the detection and removal of abnormal cervical cells before they become cancerous.

Added to timeline:

14 Nov 2019
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Date:

jan 1, 1928
Now
~ 97 years ago