Effects of some amino-acid and purine antagonists on chick embryos.
D000596:Amino Acids; D000818:Animals; D000963:Antimetabolites; D002642:Chick Embryo; D004622:Embryo, Mammalian / Q000187:drug effects*; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D005001:Ethionine / Q000494:pharmacology*; D006147:Guanine / Q000037:antagonists & inhibitors*; D010649:Phenylalanine / Q000031:analogs & derivatives; D014970:Xanthines / Q000494:pharmacology*
D000596:Amino Acids; D000963:Antimetabolites; D014970:Xanthines; D010649:Phenylalanine; D006147:Guanine; D005001:Ethionine
EMBRYO/effect of drugs on; ETHIONINE/effects; GUANINE/antagonists; PHENYLALANINE/related compounds; XANTHINES/effects