The effects of Chinese yam-epimedium mixture on respiratory function and quality of life in patients with chronic obstructive pulmonary disease.
J Tradit Chin Med. 2012 Jun;32(2):203-7. doi: 10.1016/s0254-6272(13)60012-6.
J Tradit Chin Med. 2012.
PMID: 22876444
Free article.
Clinical Trial.