title: The Knapps.
authors.affiliation: University of Nebraska Medical Center, 412 N. 97th Court, Omaha, NE 68114-2395, USA. stan-truhl@aol.com
authors.forename: Stanley M
authors.initials: SM
authors.lastname: Truhlsen
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D014481:United States