1. A preliminary comparison of methods and results in operative surgery at the sea-level (New York) and in places of high altitude (Denver) Author(s): Powers, Charles A., author Publication: [Philadelphia?] : [publisher not identified], [1897?] Subject(s): Surgical Procedures, OperativeOutcome and Process Assessment (Health Care)AltitudeClimateNew YorkColorado
2. A comparison between the results & treatment of one hundred cases of ophthalmia neonatorum in private, and one hundred cases in hospital practice Author(s): Ayres, S. C. (Stephen Cooper), 1842-1921 Publication: [Cincinnati? : s.n., 1876?] Subject(s): Ophthalmia Neonatorum -- therapyOutcome and Process Assessment (Health Care)