title: Dr. Halsted's secret operation on Dr. Matas.
authors.affiliation: Department of Surgery University of Florida Health Science Center, Jacksonville.
authors.forename: D B
authors.initials: DB
authors.lastname: Nunn
mesh_terms: D013502:General Surgery / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009919:Orchiectomy / Q000266:history