Diagnostic yield of endoscopic ultrasound-guided fine-needle aspiration-based cytology for distinguishing malignant and benign pancreatic cystic lesions: A systematic review and meta-analysis - Cong Ding; Jian-feng Yang; Xia Wang; Yi-feng Zhou; Ye Gu; Qiang Liu; Hong-zhang Shen; Xiao-feng Zhang (PLoS ONE, 2025)