@misc{indiciae78f9f5619fea,
  title = {A more sensitive test for alpha-fetoprotein.},
  author = {L R Purves and E W Geddes},
  year = {1972},
  doi = {10.1016/s0140-6736(72)90048-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4108855/},
  note = {Source identifier: 4108855}
}