Evaluating treatment efficacy: potential biases behind randomized controlled trials.

@article{Hsia2003EvaluatingTE,
  title={Evaluating treatment efficacy: potential biases behind randomized controlled trials.},
  author={Elizabeth C. Hsia},
  journal={Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases},
  year={2003},
  volume={9 3},
  pages={137-9}
}