@misc{indiciae955f62291187,
  title = {[Catamnestic studies after maxillary sinus-ethmoid bone surgery].},
  author = {I Flemming and K W Hommerich and U Osterland},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5591433/},
  note = {Source identifier: 5591433}
}