title: Cart before horse: theory, practice and professional image in American public health, 1870-1920.
mesh_terms: D003140:Communicable Disease Control; D049672:History, 19th Century; D049673:History, 20th Century; D010820:Physicians; D011634:Public Health / Q000266:history*; D012498:Sanitary Engineering; D012955:Societies, Medical; D014481:United States