@misc{indiciae565ce01d09b4,
  title = {Occupational koilonychia.},
  author = {R Dawber},
  year = {1977},
  doi = {10.1111/j.1365-2230.1977.tb01552.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/884889/},
  note = {Source identifier: 884889}
}