title: Diagnostic suspicion and referral bias in studies of venous thromboembolism and oral contraceptive use.
authors.forename: J P
authors.initials: JP
authors.lastname: Vandenbroucke
authors.forename: K W
authors.initials: KW
authors.lastname: Bloemenkamp
authors.forename: F M
authors.initials: FM
authors.lastname: Helmerhorst
authors.forename: H R
authors.initials: HR
authors.lastname: Büller
authors.forename: F R
authors.initials: FR
authors.lastname: Rosendaal
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012017:Referral and Consultation; D020246:Venous Thrombosis / Q000139:chemically induced* / Q000175:diagnosis
chemical_list: D003276:Contraceptives, Oral