2182-5173 2182-5173 S2182-51732021000400291 10.32385/rpmgf.v37i4.13323 Portugal 30 09 2021 30 09 2021 37 4 291 292 1 2020 36 2 2 100-2 2 2020 21 21 24-9 3 2021 18 10 10 5421 4 2020 383 27 27 2603-15 5 2021 384 5 5 403-16 6 2021 397 10269 10269 99-111