@misc{indiciae29e7a3e00b9a,
  title = {Relation between maternal serum and amniotic fluid AFP.},
  author = {N J Wald and H S Cuckle},
  year = {1980},
  doi = {10.1016/s0140-6736(80)90742-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6153444/},
  note = {Source identifier: 6153444}
}