Radiology
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To determine radiation dose indexes for computed tomography (CT) performed with renal colic protocols in the United States, including frequency of reduced-dose technique usage and any institutional-level factors associated with high or low dose indexes. ⋯ Reduced-dose renal protocol CT is used infrequently in the United States. Mean dose index is higher than reported previously, and institutional variation is substantial.
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To quantify the potential effect of geographic factors on the frequency of honorary authorship in four major radiology journals. ⋯ Perceived honorary authorship was substantially higher among respondents from Asia and Europe than from North America. Perceived honorary authorship was lower with adherence to the ICMJE guidelines and policies providing lectures or courses on publication ethics.