@misc{indiciae0cf9d999dff3,
  title = {Poland.},
  author = {M Sieniawska},
  year = {1993},
  doi = {10.1136/adc.68.1.147},
  url = {https://pubmed.ncbi.nlm.nih.gov/8435004/},
  note = {Source identifier: 8435004}
}