@misc{indiciae4f326e65dc66,
  title = {Vascularized bone flap for access to the maxillary sinus.},
  author = {P H Choung and Y H Choung},
  year = {1997},
  doi = {10.1016/s0278-2391(97)90343-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/9251611/},
  note = {Source identifier: 9251611}
}