1 Jan 1999 Jahr - The National Toxicology Program

Beschreibung:

"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."

Zugefügt zum Band der Zeit:

Datum: