2184-0628 2184-0628 S2184-06282020000200147 10.29315/gm.v7i2.358 Portugal Portugal Portugal Portugal Portugal 30 06 2020 30 06 2020 7 2 147 150 1 2020 2 José de Mello Saúde 3 2020 4 2020 7 28 5 2020 6 2020 7 American College of Surgeons 8 2020 11 ^s3 ^s3 3 S291-5