0212-9728 0212-9728 S0212-97282019000200010 10.6018/analesps.35.2.301201 Spain Spain 00 00 2019 00 00 2019 35 2 251 258

2012 33 2 2 191-206 2012 80 2 2 313-44 2008 18 12 12 1704-16 2011 23 479-99 2001 2005 3 2011 32 227-43 1960 20 37-46 2014 17 3 3 383-400 2013 28 1 1 62-79 2012 27 1889-910 2011 25 278-86 2003 26 1 1 9-24 2008 3 2012 125-44 2008 34 2 2 105-17 2016 1-16 1967 2011 82 1 1 295-310 2016 1 14 14 2013 35 4 4 685-93 2011 25 268-77 2015 37 1 1 16-24 2015 70 4 4 293-9 2017 6 1 1 1-24 2007 24 1 1 53-75 2017 33 1 1 120-32 2006 76 553-76 1978 1999 7-27 2001 3-20 2010 2013 29 A54-A59 A54-A59 2017 18 1 1 3-16 2013 29 2 2 413-25 2015 70 4 4 311-21 2011 46 1 1 23-34 2010 15 112-20 1999 2013 71 81-98 2003 34 417-32 1998 2 1984 2017 106 A1-A9 A1-A9 2008 32 486-95 2014 106 4 4 1135-43 2016 167-91 2010 31 3 3 279-95 World Medical Association 2013 310 20 20 2191-4