Electrocardiographic abnormalities in women taking oral contraceptives.
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects / Q000494:pharmacology*; D004562:Electrocardiography / Q000187:drug effects*; D005260:Female; D006801:Humans; D013997:Time Factors
D003276:Contraceptives, Oral