No Association between TGFB1 Polymorphisms and Late Radiotherapy Toxicity: A Meta-Analysis Zhu, Mei-Ling ; Wang, MengYun ; Shi, Ting-Yan ; Li, Qiao-Xin ; Xi, Pan ; Xia, Kai-Qin ; Zheng, Leizhen ; Wei, Qing-Yi Abstract Publication: PLoS ONE Pub Date: October 2013 DOI: 10.1371/journal.pone.0076964 Bibcode: 2013PLoSO...876964Z