Risk Factors of Acute Pancreatitis Complicated with Pancreatic Pseudocyst 
YANG Ziyun,ZHANG Hairong,HE Jiawei,ZHANG Jingli,LI Ruochang
Chinese General Practice . 2020, (29): 3682 -3689 .  DOI: 10.12114/j.issn.1007-9572.2020.00.013