@misc{indiciaed52f4d24fb0b,
  title = {Lost to follow-up.},
  author = {J R Lang},
  year = {1977},
  doi = {10.1001/archopht.1977.04450060169025},
  url = {https://pubmed.ncbi.nlm.nih.gov/869752/},
  note = {Source identifier: 869752}
}