@misc{indiciae74549fda4e3e,
  title = {Specific crossreactions between two sera from the same type of malignancy.},
  author = {M Ruiz-Castañeda},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7271421/},
  note = {Source identifier: 7271421}
}