@misc{indiciaee7bffd7190e8,
  title = {[Interventional endoscopy: what is new?].},
  author = {R Schöfl and A Gangl},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1509858/},
  note = {Source identifier: 1509858}
}