1692-2522
1692-2522
S1692-25222018000200073
10.22395/angr.v17n33a4
Nigeria
00
12
2018
00
12
2018
17
33
73
104
[
2017
27
1
1
57-69
]
[
1991
]
[
2017
232
217-25
]
[
2016
9
2
2
1047-58
]
[
2015
]
[
1968
]
[
2017
9
3
3
53-61
]
[
1960
]
[
2012
8
]
[
1989
]
[
2004
]
[
2013
]
[
1995
]
[
2009
]
[
2006
6
97-113
]
[
2012
]
[
1990
]
[
CDC
]
[
2015
33
4
4
89-98
]
[
2014
]
[
2011
]
[
2001
]
[
2015
4th
]
[
2013
3rd
]
[
2011
]
[
1998
]
[
2017
11
2
2
79-111
]
[
2017
]
[
2017
7
19-45
]
[
2017
15
2
2
143-61
]
[
2018
26
4
4
]
[
2016
38
3
3
233-41
]
[
2013
13
2487-96
]
[
2014
6th
]
[
2005
]
[
2017
39
4
4
381-6
]
[
1987
295-318
]
[
2009
]
[
2005
]
[
1983
10
45-61
]
[
2004
]
[
2010
]
[
European Commission
2017
]
[
1976
]
[
2001
]
[
FDA
]
[
1989
]
[
2013
]
[
1996
]
[
2004
]
[
1982
]
[
2017
1-47
]
[
2011
]
[
2001
]
[
2015
20
11
11
1772-89
]
[
2016
38
4
4
337-46
]
[
2013
13
459-470.
]
[
2000
]
[
1993
]
[
2004
]
[
2014
]
[
1962
]
[
2017
10
2
2
137-58
]
[
1999
]
[
2001
]
[
2010
]
[
2013
3
2
2
43-50
]
[
2004
]
[
1960
350-77
]
[
2016
12
2
2
1-12
]
[
2010
]
[
2012
]
[
2006
]
[
2011
]
[
2016
38-50
]
[
1991
]
[
1966
]
[
2014
]
[
2013
3rd
]
[
2010
]
[
2017
1-31
]
[
2010
1
1
]
[
2015
]
[
2016
26
2
2
74-6
]
[
2013
]
[
1996
LVII
431-98
]
[
2013
]
[
2014
3rd
]
[
2016
38
2
2
169-82
]
[
1994
]
[
2009
]
[
2007
2
3
3
255-63
]
[
2008
113-40
]
[
2012
1
2
2
563-80
]
[
2015
1293-8
]
[
2015
]
[
2017
]
[
1997
115
193-222
]
[
1991
439-46
]
[
1998
47
87-96
]
[
2017
11
2
2
119-34
]
[
2003
]
[
2003
]
[
1996
]
[
2010
]
[
2009
]
[
2004
]
[
2014
]
[
2010
]
[
117-31
]
[
1985
]
[
1988
42
122-72
]
[
1990
]
[
2016
56
2
2
149-61
]