@misc{indiciae6780444f0f08,
  title = {[Pressure relations within the human sinus maxillaris].},
  author = {C Pfretzschner and H Loibl},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5581966/},
  note = {Source identifier: 5581966}
}