2306-4102 2306-4102 S2306-41022019000100050 Mexico Mexico 00 02 2019 00 02 2019 33 1 50 57

1 2002 2 1997 246-8 3 2002 4 1987 1 3 3 71-5 5 1977 13 89 6 1983 6 4 4 263-71 7 1984 22 2 2 114-20 8 1987 1 3 3 81-3 9 1990 10 1991 5 4 4 142-6 11 1991 5 3 3 86-92