1[2]Sipex JN. A prospective study of plasm DNA in the diagnosis of pulmonary embolism[J]. Am Resp Dis, 1978,118:475
2[3]Moser KM, Auger WR, Fedullo PE, et al. Cathetar Fragment action ofmassive pulmonary hypertension: clinical picture and surgical treatment[J]. Eur Resp J, 1992,5:334
3[4]Paulo Alexander, Herbert A. Diagnostic utility of vertilation/ perfusion lung scans in acute pulmonary embolism in not diminished by pre-existing cardiac or pulmonary disease[J].Chest,1991,100:64
4[5]Petrov DB. Appearance of right bundle branch block in electrocar-diograms of patients with pulmonary embolism as a marker for obstruction of the main pulmonary trunk. J Electrocardiol 2001,34(3) :185