[1]
S. Å. J. . Bäck, P. . Magnusson, L. E. . Olsson, A. . Montelius, A. . Fransson, and S. . Mattsson, “Verification of Single Beam Treatment Planning Using a Ferrous Dosimeter Gel and MRI (FeMRI)”, AO, vol. 37, no. 6, pp. 561–566, Jan. 1998.