title: Historic development of bronchoesophagology.
authors.affiliation: Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins University School of Medicine, USA.
authors.forename: B R
authors.initials: BR
authors.lastname: Marsh
mesh_terms: D000818:Animals; D020680:Bronchoscopes; D001999:Bronchoscopy / Q000266:history*; D002417:Cattle; D020701:Esophagoscopes; D004945:Esophagoscopy / Q000266:history*; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D010036:Otolaryngology / Q000266:history / Q000295:instrumentation