@misc{indiciaee3a35003231f,
  title = {[Operation on maxillary sinus using the osteoplastic graft].},
  author = {O Despotov and O Stoianov},
  year = {2002},
  url = {https://pubmed.ncbi.nlm.nih.gov/12515017/},
  note = {Source identifier: 12515017}
}