Chao, HLHLChaoJeng, SCSCJengWu, JKJKWuHsu, YCYCHsuTseng, SSSSTsengHuang, KMKMHuangWu, HCHCWuCheng, JCJCCheng2010-09-032018-07-092010-09-032018-07-092006-09http://ntur.lib.ntu.edu.tw//handle/246246/196354en-USThe impact of Linac couch and immobilization device on superficial layer dose under high energy photon beams