Cocca, Silvia, Santi Mangiafico, Helga Bertani, Luca Pignata, Nicola De Gennaro, Flavia Pigò, Giuseppe Grande, Margherita Marocchi, Salvatore Russo, Marinella Lupo, and Rita Conigliaro. “Outcome of Both-Bare Type Nitinol Metal Stents in Distal Biliary Malignant Obstruction: A Post-Market Clinical Follow-up Study”. Gastrointestinal Tract 1 (September 22, 2023). Accessed May 2, 2025. https://www.hksmp.com/journals/git/article/view/437.