| Abolition of cost-sharing is pro-poor: evidence from Uganda J Nabyonga, M Desmet, H Karamagi, PY Kadama, FG Omaswa, O Walker Health policy and planning 20 (2), 100-108, 2005 | 250 | 2005 |
| Inequities in utilization of maternal health interventions in Namibia: implications for progress towards MDG 5 targets E Zere, P Tumusiime, O Walker, J Kirigia, C Mwikisa, T Mbeeli International journal for equity in health 9, 1-11, 2010 | 123 | 2010 |
| Maintaining quality of health services after abolition of user fees: a Uganda case study J Nabyonga-Orem, H Karamagi, L Atuyambe, F Bagenda, SA Okuonzi, ... BMC Health Services Research 8, 1-10, 2008 | 102 | 2008 |
| Impact of malaria morbidity on gross domestic product in Uganda JN Orem, JM Kirigia, R Azairwe, I Kasirye, O Walker International archives of medicine 5 (1), 1-8, 2012 | 65 | 2012 |
| Measles resurgence in southern Africa: challenges to measles elimination ME Shibeshi, BG Masresha, SB Smit, RJ Biellik, JL Nicholson, ... Vaccine 32 (16), 1798-1807, 2014 | 62 | 2014 |
| Health financing in Malawi: evidence from national health accounts E Zere, O Walker, J Kirigia, F Zawaira, F Magombo, E Kataika BMC international health and human rights 10, 1-11, 2010 | 57 | 2010 |
| Assessing the efficiency of hospitals in Malawi: An application of the Pabón Lasso technique E Asbu, O Walker, J Kirigia, F Zawaira, F Magombo, P Zimpita Afr Health Monitor 14 (1), 28-33, 2012 | 50 | 2012 |
| Studies on Plasmodium falciparum parasitemia and development of anemia in Nigerian infants during their first year of life. EA Achidi, LS Salimonu, MC Asuzu, K Berzins, O Walker The American journal of tropical medicine and hygiene 55 (2), 138-143, 1996 | 50 | 1996 |
| A longitudinal study of seroreactivities to Plasmodium falciparum antigens in Nigerian infants during their first year of life EA Achidi, H Perlmann, LS Salimonu, P Perlmann, O Walker, MC Asuzu Acta tropica 59 (2), 173-183, 1995 | 46 | 1995 |
| On the question of dose‐dependent chloroquine elimination of a single oral dose LL Gustafsson, L Rombo, G Alván, A Björkman, M Lind, O Walker Clinical Pharmacology & Therapeutics 34 (3), 383-385, 1983 | 41 | 1983 |
| Public health impact after the introduction of PsA-TT: the first 4 years FVK Diomandé, MH Djingarey, DM Daugla, RT Novak, PA Kristiansen, ... Clinical Infectious Diseases 61 (suppl_5), S467-S472, 2015 | 40 | 2015 |
| Neurological features of cerebral malaria in Nigerian children. WO Olumese PE, Gbadegesin RA, Adeyemo AA Brown B Ann. Trop. Paediatr., 1999 | 40 | 1999 |
| Pharmacokinetics of quinine in African patients with acute falciparum malaria. CP Babalola, OO Bolaji, FA Ogunbona, A Sowunmi, O Walker Pharmacy World and Science 20, 118-122, 1998 | 35 | 1998 |
| Lessons learnt from coordinating emergency health response during humanitarian crises: a case study of implementation of the health cluster in northern Uganda O Olu, A Usman, S Woldetsadik, D Chamla, O Walker Conflict and Health 9, 1-9, 2015 | 28 | 2015 |
| Scenario building to test and inform the development of a BSI method for assessing greenhouse gas emissions from food J Wiltshire, S Wynn, J Clarke, B Chambers, B Cottrill, D Drakes, J Gittins, ... Technical annex to the final report. Report to Defra, Project Reference …, 2009 | 28 | 2009 |
| Comparison of the pharmacokinetics of chloroquine after single intravenous and intramuscular administration in healthy Africans. AF Aderounmu, LA Salako, B Lindstrom, O Walker, L Ekman British journal of clinical pharmacology 22 (5), 559-564, 1986 | 28 | 1986 |
| Comparative efficacy of intramuscular artemether and intravenous quinine in Nigerian children with cerebral malaria. O Olumese, PE., Bjorkman, A., Gbadegesin, RA., Adeyemo, AA. and Walker ACTA Tropica, 0 | 28* | |
| Cholera epidemiology in Zambia from 2000 to 2010: implications for improving cholera prevention and control strategies in the country O Olu, O Babaniyi, P Songolo, B Matapo, E Chizema, ... East African medical journal 90 (10), 324-331, 2013 | 25 | 2013 |
| Influence of route of administration on the pharmacokinetics of chloroquine and desethylchloroquine LA Salako, AF Aderounmu, O Walker Bulletin of the World Health Organization 65 (1), 47, 1987 | 25 | 1987 |
| The disposition of chloroquine and its main metabolites desethylchloroquine in volunteers with and without chloroquine-induced pruritus: evidence for decreased chloroquine … OWO Ademowo, OG, Sodeinde Clin. Pharmacol. Ther., 2000 | 23 | 2000 |
