Opium lecture for Medical Society of London.
Verner
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D002681:China; D003132:Commerce / Q000266:history; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D009293:Opioid-Related Disorders / Q000266:history*; D009892:Opium / Q000266:history*; D006113:United Kingdom
D009892:Opium