Appearance of genetic transforming activity in pneumococcal cultures.

@article{Ottolenghi1960AppearanceOG,
  title={Appearance of genetic transforming activity in pneumococcal cultures.},
  author={Elena Ottolenghi and Rollin H. Hotchkiss},
  journal={Science},
  year={1960},
  volume={132 3435},
  pages={1257-8}
}