Numerical modelling of the perturbation of HIV-1 during combination anti-retroviral therapy. - Abba B. Gumel; T. D. Loewen; P. N. Shivakumar; Beni M. Sahai; Pei Yu; Mohammad Lawal Garba (Comput. Biol. Medicine, 2001)

A Vaccination Model for Transmission Dynamics of Influenza. - Murray E. Alexander; Christopher Bowman; Seyed M. Moghadas; Randy Summers; Abba B. Gumel; Beni M. Sahai (SIAM J. Appl. Dyn. Syst., 2004)