Adjuvant endobiliary radio-frequency ablation combined with self-expandable biliary metal stents for unresectable malignant hilar strictures: A pragmatic comparative study. - Jagtap N; Kumar CS; Lakhtakia S; Ramchandani M; Memon SF; Asif S; Kalapala R; Nabi Z; Basha J; Gupta R; Tandan M; Reddy DN (Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology, 2025)