@misc{indiciaed75b9df720f3,
  title = {[Electron microscopy studies on age-induced changes in the human iris].},
  author = {R Okamura and E Lütjen-Drecoll},
  year = {1973},
  doi = {10.1007/bf00428673},
  url = {https://pubmed.ncbi.nlm.nih.gov/4540699/},
  note = {Source identifier: 4540699}
}