Ponz de Leon Pisani R, Dell'Anna G, Mandarino FV, Napolitano M, et al. Elastic-band traction technique for cannulating intradiverticular papilla during
endoscopic retrograde cholangiopancreatography. Endoscopy 2021 May 31. doi: 10.1055/a-1492-2082.
PMID: 34058757