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Bello IM, Moyo TN, Munyanyi M, Akpan GU, Isibor I, Sunganai LC, Umar AS, Krishnan RSSG, Touray K, Rupfutse M, Manangazira P, Ntale AG, Fussum D, Mkanda P.Bello IM, et al. Among authors: umar as.Pan Afr Med J. 2021 Feb 12;38:159. doi: 10.11604/pamj.2021.38.159.27143. eCollection 2021.Pan Afr Med J. 2021.PMID: 33995766Free PMC article.
Ukwuani SI, Umar A, Ismail S, Aitek AA, Galadima I, Abdullahi I, Ayuba SK, Bayo R.Ukwuani SI, et al.Pan Afr Med J. 2022 Jun 27;42:155. doi: 10.11604/pamj.2022.42.155.33016. eCollection 2022.Pan Afr Med J. 2022.PMID: 36187025Free PMC article.
Oche MO, Umar AS, Ahmed H.Oche MO, et al. Among authors: umar as.Afr Health Sci. 2011 Sep;11(3):518-23.Afr Health Sci. 2011.PMID: 22275948Free PMC article.
Umar AS, Ibrahim MT, Mannan KA, Umar US.Umar AS, et al. Among authors: umar us.Niger Postgrad Med J. 2005 Sep;12(3):173-8.Niger Postgrad Med J. 2005.PMID: 16160718