Thromboembolism and oral contraception.
D001315:Australia; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003718:Denmark; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D006801:Humans; D008535:Megestrol / Q000009:adverse effects; D008656:Mestranol / Q000009:adverse effects; D009641:Norethynodrel / Q000009:adverse effects; D013548:Sweden; D013923:Thromboembolism / Q000139:chemically induced* / Q000453:epidemiology; D006113:United Kingdom
D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D009641:Norethynodrel; D008656:Mestranol; D008535:Megestrol