1. Orificial surgery and its application to the treatment of chronic diseases Author(s): Pratt, E. H. (Edwin Hartley), 1849-1930 Publication: Chicago : W.T. Keener, 1887 Subject(s): Rectum -- surgeryDilatationDisease -- etiologyPhilosophy, Medical
2. Orificial surgery and its application to the treatment of chronic diseases Author(s): Pratt, E. H. (Edwin Hartley), 1849-1930 Publication: Chicago : Halsey Bros., 1890 Subject(s): Rectum -- surgeryDilatationDisease -- etiologyPhilosophy, Medical
