Khawaja RD, Singh S, Blake M, Harisinghani M, Choy G, Karaosmanoglu A, Karosmanoglu A, Padole A, Pourjabbar S, Do S, Kalra MK. Ultralow-Dose Abdominal Computed Tomography: Comparison of 2 Iterative Reconstruction Techniques in a Prospective Clinical Study. J Comput Assist Tomogr. 2015 Jul-Aug; 39(4):489-98.