0253-5785 0253-5785 S0253-57852018000400068 México Mexico 00 12 2018 00 12 2018 45 4 68 74

2016 4 2 2 149-56 2017 10 4 4 21-7 2015 42 2 2 85-90 2009 33 2 2 275-81 1987 138p 2014 6 2 2 114-8 2015 12 4 4 1183-90 2017 17 4 4 78-82 2005 96 1 1 111-4 2003 3 1 1 12-6 2016 139 139 429-39 2016 7 2 2 121-32 2017 64 64 67-78 2002 20 3 3 303-10 SAS Institute Inc 2004 2014 25 1-2 1-2 101-9 2016 15 4 4 191-3 2016 6 1 1 150-4 2016 9 8 8 45-51 2014 1 2 2 7-12