@misc{indiciaed4e0452b4730,
  title = {Sperm motile efficiency.},
  author = {N Ishii and S Mitsukawa and M Shirai},
  doi = {10.1111/j.1439-0272.1977.tb01260.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/857706/},
  note = {Source identifier: 857706}
}