Oral contraceptives and venous thromboembolism: findings in a large prospective study.
Vessey
M
M
Mant
D
D
Smith
A
A
Yeates
D
D
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011446:Prospective Studies; D013923:Thromboembolism / Q000139:chemically induced*
D003276:Contraceptives, Oral