NLM Digital Collections

Search

Search Constraints

Start Over You searched for: Subjects Midwestern United States Remove constraint Subjects: Midwestern United States Dates by Range 1850-1899 Remove constraint Dates by Range: 1850-1899

Search Results

12. 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