2218-3620 2218-3620 S2218-36202019000400276 Cuba 00 12 2019 00 12 2019 11 4 276 286

1990 2008 2003 1989 2001 2006 2001 3 1999 1961 1995 6 2 2 134-42 1978 2000 1965 2010 2002 1961 1988