0120-2952 0120-2952 S0120-29522021000300236 10.15446/rfmvz.v68n3.99926 Chile Chile Chile 00 12 2021 00 12 2021 68 3 236 251

1987 19 1 1 7-18 2011 17 17 2015 9 1 1 1992 2003 6 Santo Tomás 2015 4 7 7 2008 54 210 210