[Venous thromboembolism:prophylaxis in clinical patients. Part III. ].
D016022:Case-Control Studies; D002986:Clinical Trials as Topic; D015331:Cohort Studies; D019317:Evidence-Based Medicine; D006801:Humans; D012307:Risk Factors; D054556:Venous Thromboembolism / Q000209:etiology / Q000517:prevention & control*