Effect analysis on three dimensional conformal radiotherapy for elderly with non-small cell lung cancer
XIA Yanchun, YANG Jianzhou, ZHOU Chengzhong, SONG Yonghao, XIA Haibo, ZHANG Libin
Journal of Practical Oncology . 2009, (5): 454 -455 .  DOI: 10.3969/j.issn.1002-3070.2009.05.015