Donbraye E, Adewumi M, Odaibo G, Bakarey A, Opaleye O, Olaleye D. Evaluation of immunity against poliovirus serotypes among children in riverine areas of Delta State, Nigeria. Af J Clin Exp Micro [Internet]. 2011 Mar. 11 [cited 2026 Sep. 28];12(2). Available from: https://www.ajol.info/index.php/ajcem/article/view/64321