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The influence of sewerage and water pollution on the prevalence and severity of diphtheria: read before the Section of Pediatrics, Ninth International Medical Congress, Washington, D.C., September, 1887
✖Remove constraint Titles: The influence of sewerage and water pollution on the prevalence and severity of diphtheria: read before the Section of Pediatrics, Ninth International Medical Congress, Washington, D.C., September, 1887