@misc{indiciaec9b55cad7530,
  title = {New objective classification system for nuclear opacification.},
  author = {D D Duncan and O B Shukla and S K West and O D Schein},
  year = {1997},
  doi = {10.1364/josaa.14.001197},
  url = {https://pubmed.ncbi.nlm.nih.gov/9168593/},
  note = {Source identifier: 9168593}
}