Ishigaki K, Hamada T, Nakai Y, Isayama H, et al. Retrospective Comparative Study of Side-by-Side and Stent-in-Stent Metal Stent Placement for Hilar Malignant Biliary Obstruction. Dig Dis Sci 2020 Feb 27. pii: 10.1007/s10620-020-06155.
PMID: 32107675