A change in scientific approach: from alternation to randomised allocation in clinical trials in the 1940s.

@article{Hart1999ACI,
  title={A change in scientific approach: from alternation to randomised allocation in clinical trials in the 1940s.},
  author={P d'Arcy Hart},
  journal={BMJ},
  year={1999},
  volume={319 7209},
  pages={572-3}
}