@misc{indiciae0236e3c0ab7e,
  title = {Thyroxine in human amniotic fluid.},
  author = {J Sack and D A Fisher and C J Hobel and R Lam},
  year = {1975},
  doi = {10.1016/s0022-3476(75)80636-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/809559/},
  note = {Source identifier: 809559}
}