| Assessment of heavy metals bioavailability in dumpsites of Zaria Metropolis, Nigeria S Uba, A Uzairu, GFS Harrison, ML Balarabe, OJ Okunola African Journal of Biotechnology 7 (2), 2008 | 116 | 2008 |
| Levels of trace metals in soil and vegetation along major and minor roads in metropolitan city of Kaduna, Nigeria OJ Okunola, A Uzairu, G Ndukwe African journal of Biotechnology 6 (14), 2007 | 95 | 2007 |
| Assessment of gaseous pollutants along high traffic roads in Kano, Nigeria OJ Okunola, A Uzairu, CE Gimba, GI Ndukwe International Journal of Environment and Sustainability 1 (1), 2012 | 57 | 2012 |
| Risk assessment of heavy metals in imported frozen fish scomber scombrus species sold in Nigeria: a case study in Zaria Metropolis A Abubakar, A Uzairu, PA Ekwumemgbo, OJ Okunola Advances in Toxicology 2015, 2015 | 46 | 2015 |
| Quantitative determination of heavy metal concentrations in onion leaves MS ABD ELAHI, A Uzairu, OJ Okunola INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER) 3 (2), 271-274, 2009 | 46 | 2009 |
| Assessment of peppers and soils for some heavy metals from irrigated farmlands on the bank of River Challawa, Northern Nigeria UA Awode, A Uzairu, ML Balarabe, GFS Harrisson, OJ Okunola Pakistan Journal of Nutrition, 2008 | 43 | 2008 |
| Content of heavy metals in Lumbricus terrestris and associated soils in dump sites S Uba, A Uzairu, OJ Okunola INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER) 3 (3), 353-358, 2009 | 41 | 2009 |
| Risk assessment of using coated mobile recharge cards in Nigeria OJ Okunola, Y Alhassan, GG Yebpella, A Uzairu, AI Tsafe, ES Abechi, ... Journal of environmental chemistry and ecotoxicology 3 (4), 80-85, 2011 | 40 | 2011 |
| Assessment of Cd and Zn in roadside surface soils and vegetations along some roads of Kaduna metropolis, Nigeria. OJ Okunola, A Uzairu, GI Ndukwe, SG Adewusi | 39 | 2008 |
| Trace metals screening of tomatoes and onions from irrigated farmlands on the bank of river Challawa, Kano, Nigeria MS Abdullahi, A Uzairu, GFS Harrison, ML Balarabe EJEAFChe 6 (3), 1869-1878, 2007 | 36* | 2007 |
| Chemical fractionation of heavy metals in soils around the vicinity of automobile mechanic workshops in Kaduna Metropolis, Nigeria MM Achi, A Uzairu, CE Gimba, OJ Okunola Journal of Environmental Chemistry and Ecotoxicology 3 (7), 184-194, 2011 | 30 | 2011 |
| Levels of some trace metals in the fadama soils and pepper (Capsicum annuum) along the bank of river Challawa, Nigeria UA Awode, A Uzairu, ML Balarabe, OJ Okunola, SG Adewusi Asian Journal of Scientific Research, 2008 | 29 | 2008 |
| Evaluation of some heavy metals in imported chocolate and candies sold in Nigeria JO Ochu, A Uzairu, JA Kagbu, CE Gimba, OJ Okunola Journal of food research 1 (3), 169, 2012 | 26 | 2012 |
| Determination of some trace metal levels in onion leaves from irrigated farmlands on the bank of River Challawa, Nigeria MS Abdullahi, A Uzairu, OJ Okunola African Journal of Biotechnology 7 (10), 2008 | 26 | 2008 |
| Bioavailability studies of metals in surface water of River Challawa, Nigeria A Uzairu, OJ Okunola, RJ Wakawa, SG Adewusi Journal of Applied Chemistry 2014, 2014 | 22 | 2014 |
| Risk assessment of drinkable water sources using gross alpha and beta radioactivity levels and heavy metals OJ Okunola, MOA Oladipo, T Aker, OB Popoola Heliyon 6 (8), 2020 | 18 | 2020 |
| Evaluation of Heavy metals in roadside soils of major streets in Jos Metropolis ES Abenchi, OJ Okunola, SMJ Zubairu, AA Usman, E Apene Nig. J. Environ. Chem. Ecotoxicol 2 (6), 98-102, 2010 | 18 | 2010 |
| Geochemical partitioning of heavy metals in roadside surface soils of different grain size along major roads in Kano metropolis, Nigeria OJ Okunola, A Uzairu, CE Gimba, JA Kagbu British Journal of Applied Science & Technology 1 (3), 94-115, 2011 | 17 | 2011 |
| EDXRF analysis of tantalite deposit of Mai-Kabanji, North-western Nigeria Y Alhassan, AI Tsafe, UA Birnin-Yauri, OJ Okunola, GI Yargamji, ... Journal of Environmental Chemistry and Ecotoxicology 2 (7), 117-119, 2010 | 16 | 2010 |
| Evaluation of heavy metals concentration in imported frozen fish Trachurus murphyi species sold in Zaria market, Nigeria A Abubakar, A Uzairu, PA Ekwumemgbo, OJ Okunola American Journal of Chemistry 4 (5), 137-154, 2014 | 14 | 2014 |
