0026-1742 0026-1742 S0026-17422019000100033 10.22201/fm.24484865e.2019.62.1.06 México México México 00 02 2019 00 02 2019 62 1 33 37

1 2006 6 1 1 9-12 2 1958 17 90-8 3. 2003 18 4 4 213-9 4 1979 41 1 1 28-32 5 2003 76 3 3 732-6 6 1976 53 4 4 736-42 7 1992 101 4 4 944-7 8 2003 89 2 2 9 1975 52 2 2 286-91 10 1998 44 1 1 47-9 11 1991 5 6 6 294-9 12 1996 4 6 6 820-4