title: Prolongation of normotest clotting times in rats on the pill.
mesh_terms: D000818:Animals; D001777:Blood Coagulation / Q000187:drug effects; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D008234:Lynestrenol / Q000494:pharmacology; D008656:Mestranol / Q000494:pharmacology; D011247:Pregnancy; D011517:Prothrombin Time; D051381:Rats; D014914:Whole Blood Coagulation Time
chemical_list: D003276:Contraceptives, Oral; D008656:Mestranol; D008234:Lynestrenol