Medical needs related to the endoscopic technology and colonoscopy for colorectal cancer diagnosis - Francisco Ortega-Moran, Juan; Azpeitia, Agueda; Sanchez-Peralta, Luisa F; Bote-Curiel, Luis; Pagador, Blas; Cabezon, Virginia; Saratxaga, Cristina L; Sanchez-Margallo, Francisco M (BMC CANCER, 2021)