title: Effect of steroids, acetylsalicylic acid and bishydroxycoumarin on prothrombin time.
mesh_terms: D000818:Animals; D001241:Aspirin / Q000494:pharmacology*; D001777:Blood Coagulation / Q000187:drug effects; D003276:Contraceptives, Oral / Q000009:adverse effects; D001728:Dicumarol / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D004336:Drug Antagonism; D004338:Drug Combinations; D005260:Female; D008656:Mestranol / Q000494:pharmacology*; D009640:Norethindrone / Q000494:pharmacology*; D010973:Platelet Adhesiveness / Q000187:drug effects; D011517:Prothrombin Time; D051381:Rats; D013923:Thromboembolism / Q000139:chemically induced
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations; D001728:Dicumarol; D008656:Mestranol; D001241:Aspirin; D009640:Norethindrone