1. 1. T. F. Budinger, H. Fischer, D. Hentschel, H. E. Reinfelder, and F. Schmitt, 1990 . Neural stimulation dB/dt thresholds for frequency and number of oscillations using sinusoidal magnetic gradient fields . InSMRM Ninth Annual Meeting, p.276 .
2. 2. D. LeBihan, R. Turner, and P. Douek, 1990 . Is water diffusion restricted in human brain? InSMRM Ninth Annual Meeting, p.377 .
3. 3. J. Mintorovitch, J. Kucharczyk, M. E. Moseley, N. Derugin, S. Rocklage, and D. Norman, 1990 . Correlation of T2-weighted and echo planar magnetic susceptibility enhanced MRI of acute stroke in cats . InSMRM Ninth Annual Meeting, p.1133 .
4. 5. B. R. R. Persson, and F. Stahlberg, 1989 . Health and Safety of Clinical NMR Examinations , p.51 . CRC Press. Boca Raton, Florida.