title: Robert G. Parker, MD president Radiological Society of North America, 1992.
authors.affiliation: Radiological Society of North America, Oak Brook, IL 60521.
authors.forename: S H
authors.initials: SH
authors.lastname: Levitt
mesh_terms: D049673:History, 20th Century; D011871:Radiology / Q000266:history; D012955:Societies, Medical / Q000266:history; D014481:United States