1405-9940 1405-9940 S1405-99402017000100072 10.1016/j.acmx.2016.11.012 México Mexico 00 03 2017 00 03 2017 87 1 72 78

1972 91 167–78 1995 65 197–206 1979 54 174–80 1979 41 544–53 1968 37 249–60 1973 35 292–7 1983 4 273–80 1984 54 828–82 1981 152–5 1982 2 79–84 1964 13 367–86 1979 4 113–50 1969 39 577–91 1972 15 67–85