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Start Over Subjects Ventilators, Mechanical ✖Remove constraint Subjects: Ventilators, Mechanical Titles Sgt. Clarence Stewart of the 249th GH demonstrates an iron lung used to treat poliomyelitis to many interested visitors during the day at the Armed Forces Day celebration, Denver, 1960 ✖Remove constraint Titles: Sgt. Clarence Stewart of the 249th GH demonstrates an iron lung used to treat poliomyelitis to many interested visitors during the day at the Armed Forces Day celebration, Denver, 1960

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  • Sgt. Clarence Stewart of the 249th GH demonstrates an iron lung used to treat poliomyelitis to many interested visitors during the day at the Armed Forces Day celebration, Denver, 19601