Benefit of percutaneous endoscopic gastrostomy in patients undergoing definitive chemoradiotherapy for locally advanced nasopharyngeal carcinoma. - Yun Xu; Qiaojuan Guo; Jin Lin; Bijuan Chen; Jiangmei Wen; Tianzhu Lu; Yuanji Xu; Mingwei Zhang; Jianji Pan; Shaojun Lin (OncoTargets & Therapy, 2016)