George Catlin's "Mal-respiration of sleep": a 19th-century view of sleep physiology and pathophysiology.
Stool
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Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, PA 15213.
Reynolds
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D049672:History, 19th Century; D006801:Humans; D009058:Mouth Breathing; D012890:Sleep / Q000502:physiology*; D014481:United States