RT Journal Article SR Electronic T1 Dual-Energy 4-Phase CT Scan in Primary Hyperparathyroidism JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E91 OP E93 DO 10.3174/ajnr.A3657 VO 34 IS 8 A1 D. Lau A1 H. Yang A1 P.L. Kei YR 2013 UL http://www.ajnr.org/content/34/8/E91.abstract AB