Acute pancreatitis in intraductal papillary mucinous neoplasm: a single-center retrospective cohort study with systematic review and meta-analysis oleh Ji-Hao Xu, Chu-Yan Ni, Yan-Yan Zhuang, Li Li, Ying Lin, Zhong-Sheng Xia, Wei-Rong Wu, Qi-Kui Chen, Wa Zhong