title: On the mechanism of action of oral contraceptives. I. Effect of lynestrenol on ovum implantation and oviductal morphology in the rat.
mesh_terms: D000818:Animals; D003276:Contraceptives, Oral / Q000494:pharmacology*; D010064:Embryo Implantation / Q000187:drug effects*; D004848:Epithelium / Q000187:drug effects; D005260:Female; D008234:Lynestrenol / Q000494:pharmacology*; D010053:Ovary / Q000187:drug effects; D010057:Oviducts / Q000187:drug effects*; D010063:Ovum / Q000187:drug effects; D011247:Pregnancy; D051381:Rats
chemical_list: D003276:Contraceptives, Oral; D008234:Lynestrenol