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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Air Pollution, Indoor -- adverse effects Remove constraint Subjects: Air Pollution, Indoor -- adverse effects Subjects Ventilation Remove constraint Subjects: Ventilation
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2. The composition of expired air and its effects upon animal life: abstract of a report on the results of an investigation made for the Smithsonian Institution under the provisions of the Hodgkins fund

nlm:nlmuid-101679633-bk