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archivalcollection, wilburasawyerpapers, profilesinscience, archivalmaterials, photographicprints, yellowfever, brazil, disease, outbreak, riodejaneiro, nurseshouseandcentralofficeoftheyellowfeverservice, publichealthnurses, training, puzzlingoutbreak, rura, healthscare, rockefellerfoundation, publichealthnurse, publichealth, yellowfeverservice, yellowfeveroutbreaks, rual, stillimage, publicdomain, freeimages, printsandphotographs, nationallibraryofmedicine, nlm, ihm, nationalinstitutesofhealth, nih, archivesofmedicine, nlmdigitalcollection
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