More early references to air reduction of intussusception.
McDermott
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D002170:Canada; D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D007327:Insufflation / Q000266:history*; D007443:Intussusception / Q000266:history* / Q000628:therapy; D014481:United States