Improving radiology research methods: what is being asked and who is being studied?
Eng
J
J
Department of Radiology, Johns Hopkins Hospital, Baltimore, MD 21287, USA.
Siegelman
S S
SS
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