1665-3521 1665-3521 S1665-35212017000400065 Mexico Mexico Mexico Mexico Mexico 00 12 2017 00 12 2017 30 4 65 68

[1]. 2008 11 28 [2]. 2008 11 20 [3]. 2009 53 1287 [4]. 2005 85 266403 [5]. 2005 98 033715 [6]. 2007 775 [7]. 2009 30 1326 [8]. 2006 89 042904 [9]. 2006 88 0033510 [10]. 2008 517 967 [11]. 2008 203 628 [12]. 2007 516 444 [13]. 2009 97 883 [14]. 2009 157 36 [15]. 2010 172 187 [16]. 2011 102 1009 [17]. 2011 102 967 [18]. 2010 56 61 [19]. 2009 95 162108 [20]. 2010 518 4408 [21]. 2008 93 409 [22]. 2010 97 042109 [23]. 1986 49 85 [24]. 2009 6 1325 [25]. 2012 15 37 [26]. 2011 88 1148 [27]. 2010 150 2089 [28]. 2010 519 1536