[Historical evolution of the process of preparing radix Astragali].
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D004365:Drugs, Chinese Herbal; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049691:History, Medieval; D006722:Honey; D006358:Hot Temperature; D007259:Infrared Rays; D013678:Technology, Pharmaceutical / Q000266:history
D004365:Drugs, Chinese Herbal