The effects of Chinese Yam-Epimedium mixture on respiratory function and quality of life in patients with chronic obstructive pulmonary disease

Zhao Ya Ling , Song Hong Ru , Fei Jin Xiu , Liang Ying , Zhang Bing Hua , Liu Qiu Ping , Wang Juan , Hu Ping

Journal of Traditional Chinese Medicine . 2012, (02): 203 -207 . DOI: 10.1016/s0254-6272(13)60012-6