title: Inhibition of ovulation by synthetic samples of the tetrapeptide originally isolated from hamster embryos.
mesh_terms: D000818:Animals; D006224:Cricetinae; D004305:Dose-Response Relationship, Drug; D004971:Estrus; D005260:Female; D008647:Mesocricetus; D010060:Ovulation / Q000187:drug effects*; D010455:Peptides / Q000032:analysis / Q000494:pharmacology*; D011247:Pregnancy; D051381:Rats; D013045:Species Specificity
chemical_list: D010455:Peptides