Li, Xiao-Jin The Effects of Safflower Yellow on Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Randomized, Controlled Clinical Trial. [electronic resource] - Evidence-based complementary and alternative medicine : eCAM 2019 - 5952742 p. digital Publication Type: Journal Article ISSN: 1741-427X Standard No.: 10.1155/2019/5952742 doi