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. 2015 Mar 13;5(3):e006340. doi: 10.1136/bmjopen-2014-006340

Table 1.

Top 10 countries in the WHO African Region in terms of health research publications from 2000 to 2014, normalised by the indicated variable

Rank Absolute number Normalised by
Population Gross domestic product Total expenditure on health
1 South Africa South Africa Gambia South Africa
2 Nigeria Nigeria Malawi Nigeria
3 Kenya Kenya Guinea-Bissau Kenya
4 Uganda Uganda Niger Ethiopia
5 Tanzania Ethiopia Zimbabwe Tanzania
6 Ethiopia Tanzania Uganda Uganda
7 Ghana Ghana Eritrea Cameroon
8 Cameroon Cameroon Kenya Ghana
9 Malawi Senegal Tanzania Malawi
10 Senegal Malawi Burkina Faso Senegal