@misc{indiciae4a4f8028daa6,
  title = {Methodological considerations in case-control studies to evaluate BCG vaccine effectiveness.},
  author = {V Wünsch-Filho and J E Moncau and N Nakao},
  year = {1993},
  doi = {10.1093/ije/22.1.149},
  url = {https://pubmed.ncbi.nlm.nih.gov/8449636/},
  note = {Source identifier: 8449636}
}