Effects of thyroxine on chick embryos.
D000818:Animals; D002642:Chick Embryo; D004622:Embryo, Mammalian / Q000187:drug effects*; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D013974:Thyroxine / Q000494:pharmacology*
D013974:Thyroxine
EMBRYO/effect of drugs on; THYROXIN/effects