title: Improving radiology research methods: what is being asked and who is being studied?
authors.affiliation: Department of Radiology, Johns Hopkins Hospital, Baltimore, MD 21287, USA.
authors.forename: J
authors.initials: J
authors.lastname: Eng
authors.forename: S S
authors.initials: SS
authors.lastname: Siegelman
mesh_terms: D006801:Humans; D018579:Patient Selection; D017712:Peer Review, Research; D010506:Periodicals as Topic; D011871:Radiology; D012106:Research; D012107:Research Design; D012494:Sampling Studies; D015983:Selection Bias; D012680:Sensitivity and Specificity