6 . Kasper W , Geibel A , Tiede N , et al . Patent foramen ovale in patients with haemodynamically significant pulmonary embolism . Lancet , 1992 , 340 : 561 -.29 .任凌,戴浩洁,李眉,等.肺栓塞动物模型(猪) V/Q SPECT显像与平面显像的对比.首都医科大学学报, 2008 , 29 : 32 -.30 .王铁,杨媛华,张镭,等.肺灌注断层 ......