0379-3982 0379-3982 S0379-39822017000200105 10.18845/tm.v30i2.3202 Costa Rica Costa Rica 00 06 2017 00 06 2017 30 2 105 127

[1] 2005 [2] [3] 2009 [4] 2013 [5] 2008 [6] [7] 2009 [8] 2011 25 54-61 [9] 2015 6 411-21 [10] 2000 [11] 2013 Cuba [12] 2003 [13] 2008 6ª [14] 2006 España 161-3 [15] [16] 2005 1ª [17] 2010 1ª [18] Ministerio de Salud de Costa Rica [19] 2014 [20] 2014 1ª [21] Ente Costarricense de Acreditación 2014 [22] Eurachem 2014 2th [23] 2013