Study on improving blood flow with Korean red ginseng substances using digital infrared thermal imaging and Doppler sonography: randomized, double blind, placebo-controlled clinical trial with parallel design.
J Tradit Chin Med. 2013 Feb;33(1):39-45. doi: 10.1016/s0254-6272(13)60098-9.
J Tradit Chin Med. 2013.
PMID: 23596810
Clinical Trial.