1. The "perfected evacuator" Author(s): Otis, Fessenden N. (Fessenden Nott), 1825-1900, author Publication: New York : D. Appleton & Company, 1889 Subject(s): Urinary Bladder Calculi -- surgeryUrinary Catheters
2. A simplified evacuator for the removal of débris from the bladder after lithotrity Author(s): Otis, Fessenden N. (Fessenden Nott), 1825-1900, author Publication: New York : Trow's Printing and Bookbinding Company, 1883 Subject(s): Urinary Bladder Calculi -- surgeryUrinary Catheters
