@misc{indiciaecf988ed101dd,
  title = {Epithelial changes in gingivitis. An electron microscopy study.},
  author = {H Thilander},
  year = {1968},
  doi = {10.1111/j.1600-0765.1968.tb01936.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4250000/},
  note = {Source identifier: 4250000}
}