@misc{indiciae06e904f4a243,
  title = {Unexplained elevated maternal serum alpha-fetoprotein level associated with third-trimester problems.},
  author = {J D Stephens},
  year = {1989},
  doi = {10.1016/0002-9378(89)90555-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2475022/},
  note = {Source identifier: 2475022}
}