Establishment of Predicted Value Equation of Pulmonary Ventilation Function in Middle-aged and Elderly People
REN Ai-hong, JI Qiao-hong, HU Zhi-hong, YAN Jun-bao, FAN Ling-ling, HU Yong-mei
Chinese General Practice . 2016, (31): 3817 -3821 .  DOI: 10.3969/j.issn.1007-9572.2016.31.012