@misc{indiciae8872c2407a9e,
  title = {Concentration-controlled versus concentration-defined clinical trials.},
  author = {G Levy},
  year = {1993},
  doi = {10.1038/clpt.1993.37},
  url = {https://pubmed.ncbi.nlm.nih.gov/8453859/},
  note = {Source identifier: 8453859}
}