title: [Colorectal surgery: justification for a specific area of knowledge].
authors.forename: Salvador
authors.initials: S
authors.lastname: Lledó Matoses
mesh_terms: D015179:Colorectal Neoplasms / Q000601:surgery*; D006801:Humans; D008511:Medicine; D011361:Professional Competence; D013038:Specialization