title: In memoriam: Robert Steven Ledley, DDS, MS (physics), 1926-2012.
authors.affiliation: University of Illinois at Chicago, Chicago, IL (SS)
authors.forename: Shikhar
authors.initials: S
authors.lastname: Shah
authors.affiliation: Fox Chase Cancer Center, Philadelphia, PA (JRB)
authors.forename: J Robert
authors.initials: JR
authors.lastname: Beck
authors.affiliation: Tufts Medical Center, Boston,MA (SGP)
authors.forename: Stephen G
authors.initials: SG
authors.lastname: Pauker
mesh_terms: D003657:Decision Making; D019317:Evidence-Based Medicine / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D014481:United States