2448-4911 2448-4911 S2448-49112015000200007 10.1016/j.rmop.2015.02.001 Argentina 00 12 2015 00 12 2015 19 61 78

1961 2 2009 1986 2008 1997 1989 2004 1963 2000 25 57-66 1982 2000 9 3 3 181-206 1997 1972 1974 1995 8 1 1 7-32 1983 2008 1991 1989 1992 14-15 14-15 235-50 2005 10 115-22 1948 37-51 1922 2002 Santa Cruz de la Sierra, Bolivia 1-16 2000 2006 1972 36 36 176-87 1983 1996 29 1 1 20-4 1940 45 5 5 669-86 2005 2003 8 1 1 27-48 1978 1987 2008 1981 45 3 3 376-83 1982 8 2 2 1-10 2004