Safety and Feasibility of Cardiopulmonary Exercise Testing in Patients with Severe Heart Failure
SHANG Guang-pei, SUN Xing-guo, TAN Xiao-yue, GE Wan-gang, LIU Fang
Chinese General Practice . 2016, (35): 4310 -4315 .  DOI: 10.3969/j.issn.1007-9572.2016.35.005