1132-1296 1132-1296 S1132-12962019000200008 Colombia Colombia 00 09 2019 00 09 2019 28 3 130 133

2018 21 5 5 10-6 2012 36 287-310 2008 14 49-61 2011 2 136-47 2017 14 2 2 160-8 2005 13 91-119 2012 10 69-86 2008 1 155-62 2017 26 1-2 1-2 67-71 2004 1