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1 ene 1950 año - Cigarette Smoking & Lung Cancer

Descripción:

Ernst Wynder, Evarts Graham, and Richard Doll describe cigarette smoking as a key factor in lung cancer growth.

Añadido al timeline:

Cancer

ByTrinity Ozias

14 nov 2019

0

0

302

fecha:

1 ene 1950 año

Ahora mismo

~ 75 years ago

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