Zhengzhi Cao
      Global properties of an improved hepatitis B virus model with Beddington-DeAngelis infection rate and CTL immune response
      International Mathematical Forum, Vol. 9, 2014, no. 25, 1197-1205
      http://dx.doi.org/10.12988/imf.2014.46115

Copyright © 2014 Zhengzhi Cao. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.