1 янв 1950 г. - Delaney Clause
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 1950 г.
Сейчас
~ 75 г назад