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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Mouth Breathing ✖Remove constraint Subjects: Mouth Breathing Titles "Keep your mouth shut": a startling new treatise, Indian physiological wisdom, dangers of sleeping with the mouth open, how to effect a reform ✖Remove constraint Titles: "Keep your mouth shut": a startling new treatise, Indian physiological wisdom, dangers of sleeping with the mouth open, how to effect a reform

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