title: Erskine Memorial Lecture, 1977. In memory of Arthur W. Erskine, M.D. Introduction of the orator, Gilbert H. Fletcher, M.D.
mesh_terms: D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000266:history / Q000532:radiotherapy; D011871:Radiology / Q000266:history