Hua J, Zhang B, Yang XJ, Zhang YY, Wei MY, Liang C, Meng QC, Liu J, Yu XJ, Xu J, Shi S. Validation and head-to-head comparison of four models for predicting malignancy of intraductal papillary mucinous neoplasm of the pancreas: A study based on endoscopic ultrasound findings. World J Gastrointest Oncol 2019; 11(11): 1043-1053 [PMID: 31798784 DOI: 10.4251/wjgo.v11.i11.1043]