参考文献:10.1088/0031-9155/56/12/011 摘要:MacDonald LR, Harrison RL, Alessio AM, Hunter WCJ, Lewellen TK, Kinahan PE. Effective count rates for PET scanners with reduced and extended axial field of view. Phys. Med. Biol. 2011 May 25;56(12):3629–43. doi: 10.1088/0031-9155/56/12/011.