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1 ene 1999 año - The National Toxicology Program

Descripción:

"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."

Añadido al timeline:

fecha:

1 ene 1999 año
Ahora mismo
~ 26 years ago