1909-0455 1909-0455 S1909-04552022000100056 10.22507/pml.v17n1a4 Venezuela Venezuela Venezuela Spain Venezuela 00 06 2022 00 06 2022 17 1 56 72

2000 2007 38 38 3-10 ASTM 2008 1995 20 20 987-1041 2006 2011 78 165 165 18-27 2006 5-24 2020 2016 2014 4 4 969-76 2018 2013 16 1 1 245-51 1988 80 4 4 168-75 2006 XL 2 2 10-7 2010 159 2 2 189-97 1989 23 5 5 496-502 Ministerio de Sanidad y Asistencia Social, República de Venezuela 1998 36.395 36.395 2018 15 1 1 83-112 Norma Venezolana, COVENIN. 2002 2709 2709 2017 2009 2007 11 11 8-16 2007 STS 2020 2010 45 1437-44