0120-3347 0120-3347 S0120-33472019000100057 10.1097/cj9.0000000000000092 Colombia Colombia Colombia Colombia Colombia 00 03 2019 00 03 2019 47 1 57 68

1 2007 21 1-11 2 1994 1 9-15 3 4 de la Gala García F 2004 2 87-9 5 2015 38 ^s1 ^s1 1 S300-1 6 2015 41 1-24 7 2015 8 2010 33 79-87 9 2017 29 ^s1 ^s1 1 41-63 10 2003 15 351-6 11 Geier KO ‘3-in-1’ blockade: partial.total or overdimensioned block? Correlation between anatomy.clinic and radio images 2004 54 566-72 12 2016 71 1177-85 13 2017 14 2018 22 1-10 15 2012 70 101-12 16 2000 44 543-7 17 2015 62 428-35 18 2017 19 2017 19 111-8 20 1999 13 27-30 21 2011 19 1915-9 22 1994 10 108-9 23 2011 343 d5928 24 The Nordic Cochrane Centre; The Cochrane Collaboration Review Manager (RevMan) 2014 25 Centro Cochrane Iberoamericano 26 2007 73 13-21 27 2007 35 45-52 28 2014 29 2010 60 588-92 30 2004 16 241-50 31 2003 2 31-6 32 2016 81 258-63 33 2007 30 s1 s1 357-75 34 2006 53 237-48 35 2014 36 2007 57 280-8 37 1997 9 618-22 38 2016 57 14-9 39 2003 50 510-20 40 del Cojo Peces E.Delgado García I 2010 17 89-98