Isolation of polyoma virus and Semliki Forest virus from tissue culture fluid by continuous flow zonal ultracentrifugation.

@article{Fox1967IsolationOP,
  title={Isolation of polyoma virus and Semliki Forest virus from tissue culture fluid by continuous flow zonal ultracentrifugation.},
  author={S M Fox and George D. Birnie and Eileen Martin and Joseph A. Sonnabend},
  journal={The Journal of general virology},
  year={1967},
  volume={1 4},
  pages={577-80}
}