@misc{indiciaee56048b6581d,
  title = {[Endo-periodontal problems. Forms of interrelation].},
  author = {R A Penina and C B Saade},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1076394/},
  note = {Source identifier: 1076394}
}