M. Ikhlaq Chohan

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In this article, we present the transmission dynamic of the acute and chronic hepatitis B epidemic problem and develop an optimal control strategy to control the spread of hepatitis B in a community. In order to do this, first we present the model formulation and find the basic reproduction number [Formula: see text]. We show that if [Formula: see text](More)
In this paper, we consider the giving up smoking model. First, we present the giving up smoking model in fractional order. Then the homotopy analysis method (HAM) is employed to compute an approximate and analytical solution of the model in fractional order. The obtained results are compared with those obtained by forth order Runge-Kutta method and(More)
We aimed to identify effective participant retention strategies utilized in longitudinal studies of ethnic groups, specifically those from South Asian and Chinese communities. We conducted a systematic review of the literature focusing on the retention of ethnic minorities in longitudinal studies, up until April 2017. Only peer-reviewed research was(More)
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