Differences in venous thromboembolism-risk are related to causes other than product characteristics.
Kaper
R F
RF
NV Organon, Oss, The Netherlands.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012307:Risk Factors; D013924:Thrombophlebitis / Q000453:epidemiology / Q000209:etiology*
D003276:Contraceptives, Oral