2448-6558 2448-6558 S2448-65582021000200777 10.24201/nrfh.v69i2.3755 Mexico 00 12 2021 00 12 2021 69 2 777 795

2002 2006 2a 483-91 1997 1997 1986 2003 1-32 1985 15-43 2001 584-628 2007 6 13-55 2016 69 269-93 1999 3 4245-302 2018 229-56