Predictive value of GNRI in postoperative complications and survival of elderly patients with gastrointestinal tumor
ZHANG Dan, JING Wen-jiang, ZHANG Shu-lian, FAN Zhi-gang, LUO Jv-dong
Journal of Hebei Medical University . 2022, (10): 1142 -1146,1152 .  DOI: 10.3969/j.issn.1007-3205.2022.10.006