@misc{indiciaed5292fde9501,
  title = {Quantitative assay method for erythropoietin in vitro.},
  author = {J R Stephenson and A A Axelrad},
  year = {1971},
  doi = {10.1210/endo-88-6-1519},
  url = {https://pubmed.ncbi.nlm.nih.gov/5572978/},
  note = {Source identifier: 5572978}
}