1 ene 1912 año - First reported connection between smoking and lung cancer
Descripción:
In 1912 Dr. Alder was able to connect smoking to a very rare disease: lung cancer. At the time, lung cancer was so rare, Drs. told their students that they might never see another case in their lifetimes.Añadido al timeline:
fecha:
1 ene 1912 año
Ahora mismo
~ 112 years ago
