title: The effect in vitro of the steroidal component of oral contraceptives on platelet aggregation.
mesh_terms: D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008656:Mestranol / Q000494:pharmacology*; D009640:Norethindrone / Q000494:pharmacology*; D009641:Norethynodrel / Q000494:pharmacology*; D010973:Platelet Adhesiveness / Q000187:drug effects*; D010974:Platelet Aggregation / Q000187:drug effects*
chemical_list: D009641:Norethynodrel; D008656:Mestranol; D009640:Norethindrone