African Journal of Cellular Pathology 2449-0776 Academic Journals 10.5897/AJCPath2019.0022 O. D. Popoola B. T. Thomas M. O. Efuntoye * E-mail: benthoa2013@gmail.com 2019 31 08 2019 17 04 2019 17 05 2019 11 3 17 22 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/AJCPath/article-abstract/A1FC08D61715 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/AJCPath/article-full-text-pdf/A1FC08D61715 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23