2011-0839 2011-0839 S2011-08392018000200067 10.11144/javeriana.umed59-2.hemi Colombia Colombia Colombia Colombia 00 06 2018 00 06 2018 59 2 67 71

1. 2015 35 4 4 1191-207 2. 2014 25 1 1 3896-8 3. 2014 21 3 3 749-56 4. 2008 32 263-7 5. 2016 6. 1996 26 381-7