The challenge of quantifying screening colonoscopy quality: Development and psychometric properties of the Colonoscopy Quality Score instrument R. Sáenz-Fuenzalida; A. Riquelme-Pérez; L.A. Díaz-Piga; X. García-Rocha; E. Fuentes-López; J. Arnold-Álvarez; L. Caro; A. Tchekmedyian; I. Orellana-Narváez; R. Jover-Martínez;

The frequency of sessile serrated adenomas detected during surveillance colonoscopy in patients with a history of colorectal cancer J.P. Pérez-Macías; J.C. Sánchez-del Monte; A.I. Hernández-Guerrero; W.D. Torrecilla-Ramírez; B.A. Sánchez-Jiménez; G.M. Salgado-Castellón;

Colorectal adenocarcinoma in children and adolescents R. Bigliardi; M. Morici; G. Messere; G. Ortiz; J. Fernandez; A. Varela; J. Vidal; F. Diaz; J. Salas; M.C. Riccheri;