Qige San (Obstruction-Opening Powder) for Esophagitis and Early Esophageal Cancer
Qige San (Obstruction-Opening Powder) comes from Yixue Xinwu (Medical Insights) by the Qing-dynasty physician Cheng Guopeng (courtesy name Zhongling). In the "dysphagia and choking" (ye ge) section of Yixue Xinwu, Qige San is described as a formula that "opens dysphagia and obstruction, and has repeatedly…
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