title: Silent travelers: germs, genes, and American efficiency, 1890-1924.
authors.forename: A M
authors.initials: AM
authors.lastname: Kraut
mesh_terms: D003140:Communicable Disease Control / Q000266:history*; D003710:Demography; D049711:History, Modern 1601-; D011634:Public Health / Q000266:history*; D013223:Statistics as Topic / Q000266:history*; D014481:United States