Risk factors of severe postoperative complications in elderly patients with pancreaticoduodenectomy
YU Lan, ZHANG Yongyi, HUANG Lei, WAN Xin, JIANG Shengyao, TANG Sijing, ZHANG Jun, HU Weiguo
Journal of Surgery Concepts & Practice . 2023, (02): 139 -146 .  DOI: 10.16139/j.1007-9610.2023.02.10