title: [Homage to professor Robert Sedan].
authors.forename: Jean
authors.initials: J
authors.lastname: Régis
authors.forename: Denis
authors.initials: D
authors.lastname: Porcheron
mesh_terms: D005602:France; D049673:History, 20th Century; D009493:Neurosurgery / Q000266:history*; D019635:Neurosurgical Procedures / Q000266:history / Q000295:instrumentation / Q000379:methods; D016634:Radiosurgery / Q000295:instrumentation