IMAGING FINDING OF SMALL STONES IS ASSOCIATED TO A HIGHER RISK OF UNNECESSARY ERCP: RESULTS OF A RETROSPECTIVE, MULTICENTER STUDY - Andreozzi, P; Nucci, GD; Devani, M; Redaelli, D; Schettino, M; Iuliano, D; Gagliardi, M; Maurano, A; Bottiglieri, ME; Paspatis, G; Dinelli, M; Manes, G (Endoscopy, 2020)