[Studies on the effect of 3-methyl-3,4-dihydroxy-4-phenyl-butine-1 (substance Ko 339) on chick embryos].
D000818:Animals; D002642:Chick Embryo; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D006993:Hypnotics and Sedatives
D006993:Hypnotics and Sedatives
EMBRYO; HYPNOTICS AND SEDATIVES