CJCP     2021 23 (11):  1119-1126    ISSN: 1008-8830  CN: 43-1301/R Establishment of a predictive equation for pulmonary ventilation function in school-aged children in northeast China: a prospective study FENG Yong, YU Xiu-Hua, SONG Yu-Xin, LIU Jian-Cheng, LIU Li, WU Tian-Tian, SHANG Yun-Xiao Department of Pediatric Respiratory Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China Received: 2021-08-25  Revised: null  Online: null Supporting info