@misc{indiciae076d08ab7c46,
  title = {[The endoscopy of paranasal sinuses. Diagnostic and therapeutic possibilities (author's transl)].},
  author = {W Draf},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/123989/},
  note = {Source identifier: 123989}
}