@misc{indiciaeb57cfc0b9a7c,
  title = {Reference interval for maternal serum alpha-fetoprotein.},
  author = {B Norgaard-Pedersen and P Schultz-Larsen},
  year = {1976},
  doi = {10.1111/j.1399-0004.1976.tb01590.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/57017/},
  note = {Source identifier: 57017}
}