1665-5044 1665-5044 S1665-50442021000100001 10.24875/rmn.m20000082 Mexico 00 02 2021 00 02 2021 22 1 1 2 1 2020 87 18-22 2 2006 4 121-32 3 2020 413 116832 4 2020 27 5 2020 183 16-27 6 2003 308 1-12 7 1991 3 66-71 8 2008 14 259-69 9 2013 10 172 10 2020 5 1106-7