Comparison of Gd-BOPTA and Gd-DTPA for contrast-enhanced MRI of intra-axial cerebral tumors: a two-center, double-blind, randomized, intra-individual crossover study...this translated article is reprinted with permission of the publisher... Radiologue. 2001;41:1063-1071. Copyright 2001 Springer-Verlag - Essig M; Hartmann M; Lodemann K; Jansen O; Seeberg A; Runge VM; Knopp MV (Applied Radiology)