1. Experimental and surgical notes upon the bacteriology of the upper portion of the alimentary canal, with observations on the establishment there of an amicrobic state as a preliminary to operative procedures on the stomach and small intestine Author(s): Cushing, Harvey, 1869-1939 Publication: [Baltimore? : s.n., 1899?] Subject(s): Gastrointestinal Tract -- microbiologyGastrointestinal Tract -- surgeryBacteriological TechniquesModels, Animal