Advising patients on the risks of oral contraception.
D000328:Adult; D001789:Blood Group Antigens; D003273:Contraceptive Devices; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005194:Family Practice; D005260:Female; D006801:Humans; D009026:Mortality; D012907:Smoking
D001789:Blood Group Antigens; D003276:Contraceptives, Oral