9Wells PS,Anderson DR,Bormanis J,et al.Value of assessment of pretest probability of deep-vein thrombosis in clinical management[J].Lancet,1997,350:1795-1798.
10Lowe GD,Haverkate F,Thompson SG,et al.Prediction of deep vein thrombosis after elective hip replacement surgery by preoperative clinical and haemostatic variables:the ECAT DVT study.Thromb Haemost,1999,81(6):879-886.
2Patel A P,Koltz M T, Sansur G A, et al. An Analysis ofDeep Vein Thrombosis in 1277 Consecutive NeurosurgicalPatients Undergoing Routine Weekly Ultrasonography [ J ]. JNeurosurg, 2013,118 (3):505-509.