@misc{indiciae924cbd652705,
  title = {Difficulties in morphologic classification of human spermatozoa.},
  author = {C Souchier and J C Czyba and R Grantham},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/739478/},
  note = {Source identifier: 739478}
}