[Clinical application of several Taoist magical pellets in the Tang Dynasty.]
Alchemy is one the arts of Taoist practice. Clinical application of arsenics, mercury, lead, and alloys brought out by alchemy is the primal effect on TCM clinic in the Tang Dynasty. Their chemical compounds such as arsenides, realgar, silver mercuric alloys, mercuric chlorides, all played an important role in TCM clinical practice in the Tang Dynasty, exerting effects on later ages until today.
China Institute for history of medicine and medical literature, Academy of Chinese Medicine, Beijing 100700, China.
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