Radiation from "extra" images acquired with abdominal and/or pelvic CT: effect of automatic tube current modulation.
Kalra MK, Maher MM, Toth TL, Kamath RS, Halpern EF, Saini S. Radiation from "extra" images acquired with abdominal and/or pelvic CT: effect of automatic tube current modulation. Radiology. 2004 Aug; 232(2):409-14.