@misc{indiciae48df75220073,
  title = {Alkaline phosphatases from amniotic fluid.},
  author = {J A Kellen and D Kaspar and K K Leung},
  year = {1970},
  doi = {10.1159/000458382},
  url = {https://pubmed.ncbi.nlm.nih.gov/5313499/},
  note = {Source identifier: 5313499}
}