@misc{indiciae523cc805234e,
  title = {Spermatogonial stem cells.},
  author = {Karim Nayernia and Manyu Li and Wolfgang Engel},
  year = {2004},
  doi = {10.1385/1-59259-744-0:105},
  url = {https://pubmed.ncbi.nlm.nih.gov/15037791/},
  note = {Source identifier: 15037791}
}