Diagnosis of Cerebral Metastases:Double-Dose Delayed CT vs Contrast-Enhanced MR Imaging
AJR 156:1039-1046, Davis,P.C.,et al, 1991
Multiple Sclerosis Disease Activity Correlates with Gadolinium-Enhanced Magnetic Resonance Imaging
Ann Neurol 21:300-306, Conzalez-Scarano,F.,et al, 1987