@misc{indiciaea5286bc91560,
  title = {Tear film changes associated with normal aging.},
  author = {W D Mathers and J A Lane and M B Zimmerman},
  year = {1996},
  doi = {10.1097/00003226-199605000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/8713923/},
  note = {Source identifier: 8713923}
}