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1 ene 1950 año - Delaney Clause

Descripción:

The etiology of lymphomas, leukemias and cervical cancer may be viruses. The Delaney Clause was designed to protect against these many cancer types. It was based on the hypothesis held in the 1950s that human cancers are due to environmental chemicals.

Añadido al timeline:

Antonio's Timeline

ByAntonio Perez
hace 4 meses atrás
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46

fecha:

1 ene 1950 año
Ahora mismo
~ 75 years ago
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