Effects of physiological purines on the development of the chick embryo.
D004622:Embryo, Mammalian / Q000494:pharmacology*; D004625:Embryo, Nonmammalian / Q000494:pharmacology*; D011687:Purines / Q000494:pharmacology*
D011687:Purines; C030985:purine
EMBRYO/pharmacology; PURINES/pharmacology