Z. Hu, P. Bi, W. Ma and S. Ruan, Bifurcations of an SIRS epidemic model with nonlinear incidence rate, Discrete Contin. Dyn. Syst.-B, 15( 2011), 93–112..

G. Huang, W. Ma and Y. Takeuchi, Global analysis for delay virus dynamics model with Beddington – DeAngelis functional response, Appl. Math. Letters, 24 (2011), 1199-1203..

G. Huang, Y. Takeuchi and W. Ma, Lyapunov functionals for delay differential equations model of viral infections, SIAM J. Appl. Math., 70(2010), 2693–2708. ESI高被引论文.

G. Huang, Y. Takeuchi, W. Ma, D. Wei, Global stability for delay SIR and SEIR epidemic models with nonlinear incidence rate, Bull. Math. Biol., 72(2010), 1192-1207. ESI高被引论文.

Z. Hu, G. Gao and W. Ma, Dynamics of athree-species ratio-dependent diffusive model, Nonl. Anal. RWA, 11(2010), 2106-2114..

Z. Hu, X. Liu, H. Wang, W. Ma, Analysis of the dynamics of a delayed HIV pathogenesis model, J. Compt. Appl. Math., 234(2010), 461-476..

G. Huang, W. Ma, Y. Takeuchi, Global properties for virus dynamics model with Beddington - DeAngelis functional response, Appl. Math. Letters, 22 (2009), 1690-1693..

H. Shi, W. Ma, Z. Duan, Global asymptotic stability of a nonlinear time-delayed system of T cells in the thymus, Nonl. Anal. TMA, 71 (2009), 2699-2707..

Z. Hu, X. Chen, W. Ma, Analysis of an SIS Epidemic Model with Temporary Immunity and Nonlinear Incidence Rate, Chinese J. Eng. Math. , 26(3)(2009), 407-415..

W. Ma, Y. Saito, Y. Takeuchi, M-matrix structure and harmless delays in a Hopfield-type neural network, Appl. Math. Letters, 22 (2009), 1066-1070..