[From the beginnings of sleeping pills and anesthetic agents].
Holtkamp
P
P
D000777:Anesthetics; D006666:History of Medicine; D049669:History, 16th Century; D049672:History, 19th Century; D049690:History, Ancient; D049691:History, Medieval; D006993:Hypnotics and Sedatives
D000777:Anesthetics; D006993:Hypnotics and Sedatives
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