2617-4731 2617-4731 S2617-47312021000100091 10.32480/rscp.2021.26.1.91 Paraguay 00 06 2021 00 06 2021 26 1 91 99

World Health Organization 2016 2001 2009 1 2 2 281-3 1998 15 4 4 334-8 2001 24 11 11 1882-7 1994 6 347-77 2010 2 232-6 1973 20 8 8 243-7 2011 160p 1989 39 4 4 107-13 2011 38 2 2 303-17 2004 7 1 1 100-7 2003 6 2 2 135-40 2009 25 6 6 454-60 2001 7 2 2 244-52 2008 73 7 7 165-H167 2007 10 3 3 473-8 2016 4 1 1 13-9 2010 64 762-4 1963 205 4 4 638-44 1972 91 6 6 1493-8 2008 73 7 7 165-H167