@misc{indiciae2a573981eb67,
  title = {[Objective results in non-randomized studies?].},
  author = {K Abt},
  year = {1986},
  doi = {10.1055/s-0029-1236199},
  url = {https://pubmed.ncbi.nlm.nih.gov/3769795/},
  note = {Source identifier: 3769795}
}