Objective To determine the prevalence of FⅩⅢ A Val34Leu(100G/T) and FⅩⅢ B His95Arg(8259A/G) polymorphisms in Chinese Han population and to investigate whether they were associated with pulmonary thromboembolism pulmonary thromboembolism(PTE).Methods The subjects consisted of 114 patients with PTE and 114 healthy controls matched in age,sex and race.All patients were diagnosed by lung ventilation/perfusion scan and/or multi-slice CT pulmonary angiography.Genome DNA was extracted from whole blood using phenol...