Here are some hints, read them, learn them: they will help to keep you and others in good health
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| Date uploaded | 2019-05-10 |
| Tags | photomechanicalprint”, nationallibraryofmedicine, imagesfromthehistoryofmedicine, ihm, historyofmedicinedivision, stillimage, “nationalinstitutesofhealth”, “communicablediseasecontrol”, “diseasetransmission”, infectious, “healthbehavior”, “airingbedding”, gargling, “coveringthemouth”, coughing, “pickinguplitter”, spitting, “printsandphotographs”, pp, nlm, hmd, nih, publicdomain, archivesofmedicine, nlmdigitalcollection |
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