title: Celebrating 40 years of clinical inquiry: The RTOG'S ruby anniversary.
authors.forename: Walter J
authors.initials: WJ
authors.lastname: Curran
authors.forename: Mitchell
authors.initials: M
authors.lastname: Machtay
authors.forename: Todd
authors.initials: T
authors.lastname: Wasserman
authors.forename: William U
authors.initials: WU
authors.lastname: Shipley
mesh_terms: D017598:Efficiency, Organizational; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009937:Organizational Objectives; D018787:Radiation Oncology / Q000266:history / Q000639:trends; D012106:Research / Q000266:history / Q000639:trends; D012109:Research Support as Topic; D012955:Societies, Medical / Q000266:history; D014481:United States