Yao Yao, Feng Xue-Li, Xu Bao-Ping, Shen Kun-Ling
National Clinical Research Center for Respiratory Diseases, Department of Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China.
Chin Med J (Engl). 2017 Nov 20;130(22):2771-2772. doi: 10.4103/0366-6999.218015.