Test-retest reproducibility of neurochemical profiles with short-echo, single-voxel MR spectroscopy at 3T and 7T - Terpstra, M; Cheong, I; Lyu, T; Deelchand, D; Emir, U; Bednařík, P; Eberly, L; Öz, G (Magnetic Resonance in Medicine, 2015)