Incidence of venous thromboembolism in users of combined oral contraceptives. Risk is particularly high with first use of oral contraceptives.
Vandenbrouke
J P
JP
Bloemenkamp
K W
KW
Rosendaal
F R
FR
Helmerhorst
F M
FM
D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012307:Risk Factors; D013923:Thromboembolism / Q000139:chemically induced*; D020246:Venous Thrombosis / Q000139:chemically induced*
D003277:Contraceptives, Oral, Combined