970286 Efficacy of prostaglandin EI in treatment ofcor pulmonale patients with heart failure. ZHOUShuneheng(周顺成), et al. Dept Respir Dis, 2ndPeople’S Hosp, Hubei, 434000. Chin J Tuberc RespirDis 1997; 20(2): 88-90. objective: To investigate the effects of prostaglandin