1Fine P E M. Vectors and Vertical Transmission: an Epidemiologic Perspective. Annals N. Y.Academic Sci, 1979, 266:173-194.
2Busenberg S N, Cooke K L. Vertical Transmitted Diseases. Models and Dynamics. In Biomathematics, Vol.23, Berlin: Springer-Verlag, 1993.
3Busenberg S N, Cooke K L. The Population Dynamics of Two Vertically Transmitted Infections.Theor. Popul. Biol, 1988, 33(2): 181-198.
4EI-Doma M. Analysis of a General Age-dependent Vaccination Model for a Vertically Transmitted Diseases. Nonlinear Times and Digest, 1995, 2:147-172.
5I~nnelli M, Milner F, Pugliese A. Analytical and Numerical Results for the age-structured S-I-S Epidemic Model with Mixed inter-intracohort Transmission. SIAM J. Math. Anal, 1992, 23(3):662-688.
6EI-Doma M. Analysis of an Age-dependent SIS Epidemic Model with Vertical Transmission and Proportionate Mixing Assumption. Mathematics and Computer Modelling, 1999, 29:31-43.
7EI-Doma M. Analysis of Nonlinear Integro-differential Equtions Arising in Age-dependent Epidemic Models. Nonlinear Analysis, 1987, 11(8): 913-937.
8Greenhalgh D. Analytical Threshold and Stability Results on Age-structured Epidemic Models with Vaccination. Theoretical Population Biology, 1988, 33:266-290.
9Inaba H. Threshold and Stability Results for an Age-structured Epidemic Model. Journal of Mathematical Biology, 1990, 28:411-434.
10Tudor D W. An age-dependent Epidemic model with Applications to Measles. Mathematical Biosciences, 1985, 73:131-147.
4[4]Zhang Tailei.Teng Zhidong.On a Nonautonomous SEIRS Model in Epidemiology[J].Bulletin of Mathematical Biology.2007,69:2537-2559.
5Herbert W Hethcote, Ma Zhien, Liao Shengbing. Effects of quarantine in six endemic models for infectious diseases[J]. Mathematical Biosciences ,2002,180 : 141 - 160.
