@misc{indiciaea66d28c5e635,
  title = {Human spermatids and spermatozoa lacking acrosomes.},
  author = {A F Holstein and C Schirren and C G Schirren},
  year = {1973},
  doi = {10.1530/jrf.0.0350489},
  url = {https://pubmed.ncbi.nlm.nih.gov/4760149/},
  note = {Source identifier: 4760149}
}