Effect of point application on chronic obstructive pulmonary disease in stationary phase and effects on pulmonary function:A systematic evaluation of randomized controlled trials
Fengsen Li, Zhen Gao, Jing Jing, Dan Xu, Halmurat•Upur
Journal of Traditional Chinese Medicine . 2012, (04): 502 -514 .  DOI: 10.1016/s0254-6272(13)60062-x