8Wiart J. Hadjem A, Wong MF, et al. Analysis of RF exposure in the head tissues of children and adults[J]. Phys Med Biol, 2008, 53(I 3): 3681-3695.
9Muranaka H, Horiguchi T, Usui S. et al. Dependence of RF heatting on SAR and implant position in'a 1.5T MR system[J]. Magn ResonMed Sci, 2007, 6(4): 199-209.
10Boss A, Graf H. Berger A, Lauer UA, et al. Tissue wanning and regulatory responses induced by radio frequency energy deposition on a whole-body 3-Tesla magnetic resonance imager[J]. J Magn Reson Imaging. 2007, 26(5): 1334-1339.