Knowledge, attitudes, and practices of gastric cancer patients toward nutritional therapy - Yu, Hui; Li, Ling; Gu, Jing; Wang, Jing; Su, Hui; Lu, Hui; Zhou, Yuqing; Xia, Jingfang; Xu, Yongping; Liang, Danhua; Yang, Yuling; Chen, Ying (Frontiers in Medicine, 2025)