@misc{indiciae8c16f792f7ce,
  title = {Visolett magnifier without and with bifocal.},
  author = {G E Fonda},
  year = {1989},
  doi = {10.1016/s0161-6420(89)32984-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/2779986/},
  note = {Source identifier: 2779986}
}