@article{yamada_horie_2008, 
  title={Reversion in Polio Vaccine Viruses in Cultivation Cells Derived from Human Alimentary Tract}, 
  volume={12}, 
  DOI={10.1016/j.ijid.2008.05.686}, 
  publisher={Elsevier BV}, 
  author={Yamada and Horie}, 
  year={2008}
  }