[Multicenter clinical trial on the efficacy of thrombolytic therapy with urokinase and/or anticoagulant with low molecular weight heparin in acute pulmonary embolism].
Xian-Sheng Cheng, Jian-Guo He, M. Gao, Guang-sheng Chen, Shuhua Li, Zhong-He Zhang, Mingwu Zhao, Sumin Zhou, Ji-Wen Zhao, L. Cheng, Zhen-Xiang Zhang, Yulin Chen, C. Xiong