@misc{indiciae9f2859fe0e17,
  title = {[A simple method for the quantitative determination of sperm aggregation].},
  author = {S Blottner and M Fasinski and G Zapff},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2774843/},
  note = {Source identifier: 2774843}
}