title: [50th anniversary of the Otorhinolaryngology Society of Lyons and the Region. The 1st of March 1931].
mesh_terms: D005602:France; D049673:History, 20th Century; D010036:Otolaryngology / Q000266:history*; D012955:Societies, Medical / Q000266:history*
vernacular_title: Cinquantenaire de la Société d'Oto-Rhino-Laryngologie de Lyon et de la Région. Le 1er mars 1931.