0123-5923
0123-5923
S0123-59232020000300325
10.18046/j.estger.2020.156.3699
Cuba
Cuba
Cuba
00
09
2020
00
09
2020
36
156
325
336
[
2017
268
1
1
188-205
]
[
2015
86
1
1
360-77
]
[
2016
5
1
1
1-18
]
[
2015
22
1
1
135-66
]
[
2019
69-89
]
[
2009
14
4
4
439-47
]
[
2016
29
53
53
101-46
]
[
1978
2
6
6
429-44
]
[
2015
26
695-9
]
[
2013
24
8-9
8-9
702-20
]
[
2017
11
838-45
]
[
2011
86
1
1
59-73
]
[
2019
68
2
2
296-318
]
[
2016
24
1
1
135-48
]
[
2009
237-40
]
[
2020
222
107501
]
[
2013
2
1
1
21-45
]
[
2015
8
6
6
366-85
]
[
2010
26-28
1004-7
]
[
2017
4
8
8
7848-58
]
[
2016
24
4
4
663-79
]
[
2015
87
15
15
391-413
]
[
2015
4
1
1
1-11
]
[
2015
151-6
]
[
2009
2009
941-4
]
[
2020
10
2
2
50-7
]
[
2018
197
303-16
]
[
2017
10
11
11
1-7
]
[
2019
4
1
1
1-7
]
[
2011
304-9
]
[
2018
195
259-72
]
[
2017
147
637-53
]
[
2011
86
4
4
405-12
]
[
2018
24
3
3
671-94
]
[
2017
10
85-99
85-99
]
[
2014
1
3
3
158-63
]
[
2017
27
1
1
115-32
]
[
2018
6
1
1
1-10
]
[
2020
28
1
1
1-12
]
[
2013
5
8
8
655-62
]
[
2015
]
[
2015
15
2
2
296-306
]
[
1980
]
[
2017
10
12
12
1-19
]
[
2020
333-58
]
[
2016
69
1
1
241-50
]
[
2015
53
16
16
4917-26
]
[
2005
2005
942-7
]
[
2017
. 1-12
]
[
2020
]
[
2017
32
3
3
2717-23
]
[
2018
38
4
4
934-56
]
[
2020
]
[
2009
47
18
18
4991-5017
]
[
2020
83
31-50
]
[
2015
189
449-57
]
[
2017
28
3
3
392-414
]
[
2018
21
4
4
378-406
]
[
2016
102
502-11
]
[
2010
15
3
3
272-83
]
[
2014
1-11
]
[
2015
72-91
]
[
2017
25
3
3
535-46
]
[
2012
111-4
]
[
2017
32
3
3
2625-31
]
[
2009
2009
Wuhan
1-5
]