Letter: Preoperative discontinuation of contraceptives.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control; D013514:Surgical Procedures, Operative; D013923:Thromboembolism / Q000139:chemically induced / Q000517:prevention & control*
D003276:Contraceptives, Oral