1405-9940 1405-9940 S1405-99402015000400323 10.1016/j.acmx.2015.06.003 Mexico Mexico 00 12 2015 00 12 2015 85 4 323 328

1993 361 1993 409 1993 396 73 1990 33 1980 XXXVII 1982 103 1982 XXXIX 1964 1972 1991 135 67-72 1988 1980 1988 58 265 1842 6 339-41 1978 359 1863 1987 7-23 1985 1986 132 1952 -1 95 1986 163 1969 1988 14 83-91 1985 2 29 1981 199-224 1986 18 97-111 1986 18 83-95 1986 117-9 1989 147-76 1967 37 1967 37 1989 54 1989 81-129 1985 59-77 1997 46 48-56 1962