Functional rs6265 polymorphism in the brain-derived neurotrophic factor gene confers protection against neurocognitive dysfunction in posttraumatic stress disorder among Chinese patients with hepatocellular carcinoma. - Guo JC; Yang YJ; Zheng JF; Guo M; Wang XD; Gao YS; Fu LQ; Jiang XL; Fu LM; Huang T (Journal of cellular biochemistry, 2019)