title: William Stewart Halsted: transitional years.
authors.affiliation: Department of Surgery, University of Florida Health Science Center, Jacksonville, USA.
authors.forename: D B
authors.initials: DB
authors.lastname: Nunn
mesh_terms: D015142:Baltimore; D003042:Cocaine; D013502:General Surgery / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006761:Hospitals / Q000266:history; D006801:Humans; D008297:Male; D009020:Morphine; D009519:New York City; D019966:Substance-Related Disorders / Q000266:history*
chemical_list: D009020:Morphine; D003042:Cocaine