1990-8644 1990-8644 S1990-86442019000300285 Cuba Cuba 00 09 2019 00 09 2019 15 68 285 290

2002 87 4-5 4-5 441-7 2018 1998 77 1-2 1-2 98-105 2004 25 3 3 191-7 2005 39 960-4 2001 2006 27 1 1 43-8