title: Robert E. Campbell, MD, President, Radiological Society of North America, 1989.
authors.forename: T S
authors.initials: TS
authors.lastname: Harle
mesh_terms: D049673:History, 20th Century; D009656:North America; D015143:Philadelphia; D011871:Radiology / Q000266:history; D012955:Societies, Medical / Q000266:history