TY - GEN AU - OTERO,J P AU - ARIAS BELLINI,M TI - [Polypus of the sigmoid] SN - 0366-3159 PY - 2014///0218 KW - Colon, Sigmoid KW - Humans KW - Intestinal Neoplasms KW - Neoplasms KW - Polyps N1 - Publication Type: Journal Article ER -