@misc{indiciae362826d1c728,
  title = {Pterygium and pinguecula: electron microscopic study.},
  author = {M J Hogan and J Alvarado},
  year = {1967},
  doi = {10.1001/archopht.1967.00980030176010},
  url = {https://pubmed.ncbi.nlm.nih.gov/4143711/},
  note = {Source identifier: 4143711}
}