Ugochukwu C. Okonkwo

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BACKGROUND Co-infection of human immunodeficiency virus (HIV) and hepatitis B virus (HBV) is common as both viruses share common routes of transmission. HIV significantly affects the natural history of HBV, hence the need to determine the prevalence of co-infection. MATERIALS AND METHODS This was a retrospective study between 2005 and 2009, in which is a(More)
Often, taking strategic decisions in maintenance systems are very difficult and at times impossible, because the data required are either not available or not in the right format. This study has developed a computer queueing model with an integrated set of algorithms for simulation of multiple queueing parameters. It used ITC workshop in Nigeria as a case(More)
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