Neutral vs positive oral contrast in diagnosing acute appendicitis with contrast-enhanced CT: sensitivity, specificity, reader confidence and interpretation time.
Naeger DM, Chang SD, Kolli P, Shah V, Huang W, Thoeni RF. Neutral vs positive oral contrast in diagnosing acute appendicitis with contrast-enhanced CT: sensitivity, specificity, reader confidence and interpretation time. Br J Radiol. 2011 May; 84(1001):418-26.