@misc{indiciae6cba379e21b6,
  title = {[Emergency endoscopy].},
  author = {H Reissigl and F Aigner and K Schwamberger},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/6980540/},
  note = {Source identifier: 6980540}
}