IS THE DIVERTICULAR PAPILLA A FACTOR IN THE FAILURE OF CATHETERIZATION OF THE MAIN BILE DUCT IN LITHIASIS PATHOLOGY? EXPERIENCE OF A MOROCCAN DEPARTMENT - Elkoti, I; Lmrabti, S; Loubaris, K; Boutalaka, H; Jamal, S; Sair, A; Bendehmane, A; Adajou, T; Mohamed, O; Berraida, R; Seddik, H; Benkirane, A (Endoscopy, 2020)