@misc{indiciae9c59d3c4f3e5,
  title = {[Necrotizing ulcerative gingivitis. How is it explained in 1980?].},
  author = {C Hitzig and C Deleris and P Ciosi},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7234552/},
  note = {Source identifier: 7234552}
}