Lyu Y, Ye S, Wang B, Zhao S, et al. Comparison between transpancreatic sphincterotomy and needle-knife precut in difficult cannulation of endoscopic retrograde cholangiopancreatography: an up-to-date meta-analysis and systematic review. Dig Dis 2022 Nov 16. pii: 000528052. doi: 10.1159/000528052.
PMID: 36382645