@misc{indiciaeaaf76b73aae1,
  title = {Polarized light microscopy and digital image processing identify a multilaminar structure of the hamster zona pellucida.},
  author = {D Keefe and P Tran and C Pellegrini and R Oldenbourg},
  year = {1997},
  doi = {10.1093/humrep/12.6.1250},
  url = {https://pubmed.ncbi.nlm.nih.gov/9222011/},
  note = {Source identifier: 9222011}
}