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https://t.co/7lojphaUSG Aerospace medical association letter to the editor Philip J. Scarpa Jr and Jeffrey C. Sventek December 17, 2017 at 10:00PM
https://t.co/7lojphaUSG Aerospace medical association letter to the editor Philip J. Scarpa Jr and Jeffrey C. Sventek December 17, 2017 at 10:00PM