@misc{indiciaef90f641d54a6,
  title = {Screening for prostate cancer utilizing the prostate-specific antigen (PSA).},
  author = {E C Halperin},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/7694161/},
  note = {Source identifier: 7694161}
}