@misc{indiciaeca2d97d82030,
  title = {[Ventilatory lung function in patients with struma compressing the trachea].},
  author = {J Kowalski and W Napiórkowska},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5577141/},
  note = {Source identifier: 5577141}
}