title: Effects of low-oestrogen oral contraceptives.
mesh_terms: D000085:Acetates / Q000008:administration & dosage / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects*; D004338:Drug Combinations; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000008:administration & dosage / Q000009:adverse effects*; D009644:Norgestrel / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D000085:Acetates; D004338:Drug Combinations; D009644:Norgestrel; D009640:Norethindrone