title: Incidence of venous thromboembolism in users of combined oral contraceptives. Risk is particularly high with first use of oral contraceptives.
authors.forename: J P
authors.initials: JP
authors.lastname: Vandenbrouke
authors.forename: K W
authors.initials: KW
authors.lastname: Bloemenkamp
authors.forename: F R
authors.initials: FR
authors.lastname: Rosendaal
authors.forename: F M
authors.initials: FM
authors.lastname: Helmerhorst
mesh_terms: 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*
chemical_list: D003277:Contraceptives, Oral, Combined