The estimation in vitro of small amounts of diphtheria antitoxin by means of a haemagglutination technique.

@article{Fisher1952TheEI,
  title={The estimation in vitro of small amounts of diphtheria antitoxin by means of a haemagglutination technique.},
  author={Steve Fisher},
  journal={The Journal of hygiene},
  year={1952},
  volume={50 4},
  pages={445-56}
}