1870-7203 1870-7203 S1870-72032019000400418 Mexico Mexico 00 12 2019 00 12 2019 17 4 418 418 1 2015 372 16 16 1539-48 2 2018 34 1 1 9-18 3 2015 313 4 4 398-408 4 2018 66 7 7 e1-e48