E. Okpo
发表
M. F. Martin,
E. Okpo,
I. Andy,
2019
.
M. F. Martin,
E. Okpo,
I. Andy,
2019
.
E. Okpo,
R. Robinson,
N. Mngoma,
2015,
The Cochrane database of systematic reviews.
E. Okpo,
N. Mngoma,
R. Othieno,
2012
.
G. Noble,
E. Okpo,
S. Fielding,
2016,
Public health.
E. Okpo,
A. Murray,
A. Karcher,
2015,
Journal of infection and public health.
E. Okpo,
R. Othieno,
M. Abu Affan,
2007,
The Cochrane database of systematic reviews.
E. Okpo,
R. Othieno,
A. Eke,
2022,
Cochrane Database of Systematic Reviews.
E. Okpo,
A. Poobalan,
I. Tonna,
2015
.
C. I. Mboto,
E. Okpo,
B. Agbo,
2016
.
S. Bhattacharya,
E. Okpo,
G. Flett,
2015,
Journal of Family Planning and Reproductive Health Care.
G. Macfarlane,
S. Bhattacharya,
E. Okpo,
2014,
Journal of Epidemiology & Community Health.
S. Bhattacharya,
E. Okpo,
G. Flett,
2016,
Journal of Family Planning and Reproductive Health Care.
E. Okpo,
A. Ajani,
O. Wariri,
2020,
BMC Public Health.
E. Okpo,
S. Brechin,
E Okpo,
2014,
Public health.
E. Okpo,
E. Bull,
H. Martin-Smith,
2018,
BMC Public Health.
E. Davies,
E. Okpo,
S. Fielding,
2019,
BMC Public Health.
E. Okpo,
I. Andy,
2018,
Microbiology Research Journal International.
E. Okpo,
R. Othieno,
R. Forster,
2007,
The Cochrane database of systematic reviews.
S. Bhattacharya,
E. Okpo,
M. Imamura,
2014,
Journal of Epidemiology and Community Health.
P. Abbott,
L. D’Ambruoso,
F. Douglas,
2017
.
E. Okpo,
R. Othieno,
R. Forster,
2007,
The Cochrane database of systematic reviews.