@article{art265,
  title = {Efficacy of Ultra-Rapid Freezing by Direct Immersion into Liquid Nitrogen for Sperm Cryopreservation and Its Potential for Male Fertility Preservation},
  doi = {10.23958/ijirms/vol02-i10/09},
  url = {https://www.ijirms.in/index.php/ijecs/article/view/265}
}