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1 янв 1999 г. - The National Toxicology Program

Описание:

"headquartered at NIEHS, announced that Federal regulatory agencies — FDA, OSHA, EPA, and CPSC — would accept, for the first time, an alternative way to test chemicals for allergic contact dermatitis that could reduce by thousands the number of guinea pigs needed for such tests."

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Дата:

1 янв 1999 г.
Сейчас
~ 26 г назад