@misc{indiciae664a6e0858b7,
  title = {[Diagnostic difficulties in megaesophagus].},
  author = {A Lewandowski and M Bernat and K Markocka-Maczka},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3439178/},
  note = {Source identifier: 3439178}
}