title: [The study of cancer of the sigmoid colon and rectum].
authors.forename: W G
authors.initials: WG
authors.lastname: DE MELLO
mesh_terms: D012809:Colon, Sigmoid; D006801:Humans; D009369:Neoplasms; D012007:Rectum; D012811:Sigmoid Neoplasms
vernacular_title: Do estudo do câncer da sigmoide e do reto.