Competitive inhibitory effects of some unnatural cytosine nucleosides on the in vitro development of the early chick embryo.
D000818:Animals; D002642:Chick Embryo; D003596:Cytosine; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D066298:In Vitro Techniques; D009705:Nucleosides; D011743:Pyrimidines / Q000494:pharmacology*
D009705:Nucleosides; D011743:Pyrimidines; D003596:Cytosine
EMBRYO; PYRIMIDINES/effects