@article {IOPORT.50107445,
    author       = {Huang, Gang and Takeuchi, Yasuhiro and Ma, Wanbiao},
    title        = {Lyapunov functionals for delay differential equations model of viral infections},
    year         = {2010},
    journal      = {SIAM Journal of Applied Mathematics},
    volume       = {70},
    number       = {7},
    pages        = {2693-2708},
    doi          = {10.1137/090780821},
    identifier   = {50107445},
}