9Anderson FA Jr,Wheeler HB,Goldberg RJ,et al.A populationbased perspective of the hospital incidence and case-fatality rates of deep vein thrombosis and pulmonary embolism:the Worcester DVT Study [J].Arch Intern Med,1991,151:933-938.
10Lu Y,Zhao Y,Liu G,et al.Factor V gene G1691A mutation,prothrombin gene G20210A mutation,and MTHFR gene C677T mutation are not risk factors for pulmonary thromboembolism in Chinese population[J].Thromb Res,2002,106:7.
