@misc{indiciaec4ef7df9ac9a,
  title = {[Nail changes in internal diseases].},
  author = {R Pfister},
  year = {1969},
  doi = {10.1055/s-0028-1108943},
  url = {https://pubmed.ncbi.nlm.nih.gov/5812540/},
  note = {Source identifier: 5812540}
}