1 янв 1942 г. - Introduction of Pap test leads to dramatic declines in cervical cancer deaths
Описание:
George Papanicolaou the inventor of Pap test allows doctors to detect and treat cervical cancers or pre-cancers before they have the chance to spread.Добавлено на ленту времени:
Дата:
1 янв 1942 г.
Сейчас
~ 82 г назад
