The impact of preoperative biliary drainage on postoperative healthcare-associated infections and clinical outcomes following pancreaticoduodenectomy: a ten-year retrospective anal... oleh Zheng-Hao Yu, Ming-Mei Du, Xuan Zhang, Ji-Jiang Suo, Tao Zeng, Xiao-Lian Xie, Wei Xiao, Qing-Bin Lu, Yun-Xi Liu, Hong-Wu Yao