0377-9424 0377-9424 S0377-94242019000200025 10.15517/rac.v43i2.37793 Costa Rica Costa Rica Costa Rica Costa Rica 00 12 2019 00 12 2019 43 2 25 43

2014 81 1 1 5-17 2009 10 383-96 1991 17 77-84 2013 ^sl ^sl l 632 2005 33 1 1 17-32 2016 85 9 9 1507-27 2000 64 1-2 1-2 89-96 2003 60 1011-23 1993 54 11 11 1808-11 2011 76 3 3 448-54 2013 10 4 4 708-11 1947 6 4 4 467-75 2001 22 4 4 558-67 1993 76 86-94 1997 52 67-78 2002 Ames Iowa, USA 2005 74 265-73 1988 30 5 5 1011-21 1959 71 664-5 2002 37 6 6 330-4 1997 18 312-23 2002 48 417-31 2005 10 1 1 3-13 2012 60 1-2 1-2 85-91 2011 14 1 1 35-40 1999 52 1363-73 2001 1995 10 620-5 1995 7 951-9 2000 21 4 4 515-24 2010 59 227 227 463-6 1990 54 308-14 2006 27 2 2 257-62 2001 47 236-8 2004 60 8 8 1553-68 2000 Flores da Cunha, RS, Brasil Service, NCSUCE 2000 2000 8 11-4 2007 68 2 2 196-203 2009 110 3-4 3-4 335-46 2004 80 121-30 2002 1999 1995 30 85-94 2010 93 6 6 1911-20 2018 2018 2018 29 3 3 485-506 2016 18 6 6 824-30 2004 33 6 6 2054-9 2000 Brasil 2009 87 5 5 1620-7 World Health Organization 2010 271 2011 131-52