@misc{indiciae5bf67ad9e44f,
  title = {Basic problems in controlled trials.},
  author = {R Burkhardt and G Kienle},
  year = {1983},
  doi = {10.1136/jme.9.2.80},
  url = {https://pubmed.ncbi.nlm.nih.gov/6876102/},
  note = {Source identifier: 6876102}
}