0034-7744
0034-7744
S0034-77442018000100303
10.15517/rbt.v66i1.27111
Venezuela
00
03
2018
00
03
2018
66
1
303
311
[
2013
39
1
1
1-8
]
[
1995
52
2
2
318-25
]
[
2010
279-320
]
[
2017
90
1
1
19-37
]
[
2014
9
1
1
]
[
1982
25
172-7
]
[
2009
]
[
1998
]
[
2014
]
[
2008
51
1-9
]
[
1968
219
963-4
]
[
1998
]
[
2004
33
2
2
237-41
]
[
2001
47
4-5
4-5
445-53
]
[
2007
33
2
2
369-89
]
[
2005
]
[
2009
55
751-7
]
[
2007
33
10
10
1960-77
]
[
2010
99
1
1
20-7
]
[
1971
17
181-8
]
[
1991
78
1-14
]
[
1992
20
199-215
]
[
2009
63
959-72
]
[
1999
25
6
6
1305-18
]