The agony of Dr. Wells.
D000766:Anesthesia, Dental / Q000266:history*; D000769:Anesthesia, Inhalation / Q000266:history*; D002725:Chloroform / Q000266:history*; D003237:Connecticut; D049672:History, 19th Century; D006801:Humans; D019966:Substance-Related Disorders / Q000266:history*
D002725:Chloroform