title: The Leiden Thrombophilia Study (LETS).
authors.affiliation: Department of Hematology, Academic Hospital Leiden, The Netherlands. F.J.M.van_der_Meer@clinhematology.medfac.leidenuniv.nl
authors.forename: F J
authors.initials: FJ
authors.lastname: van der Meer
authors.forename: T
authors.initials: T
authors.lastname: Koster
authors.forename: J P
authors.initials: JP
authors.lastname: Vandenbroucke
authors.forename: E
authors.initials: E
authors.lastname: Briët
authors.forename: F R
authors.initials: FR
authors.lastname: Rosendaal
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D020152:Antithrombin III Deficiency; D001789:Blood Group Antigens / Q000502:physiology; D016022:Case-Control Studies; D003276:Contraceptives, Oral / Q000009:adverse effects; D005165:Factor V / Q000235:genetics; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009154:Mutation; D009426:Netherlands; D011486:Protein C / Q000378:metabolism; D020151:Protein C Deficiency; D018455:Protein S Deficiency / Q000503:physiopathology; D012307:Risk Factors; D013923:Thromboembolism / Q000503:physiopathology*; D013927:Thrombosis / Q000503:physiopathology*; D014841:von Willebrand Factor / Q000502:physiology
chemical_list: D001789:Blood Group Antigens; D003276:Contraceptives, Oral; D011486:Protein C; C095381:factor V Leiden; D014841:von Willebrand Factor; D005165:Factor V