@misc{indiciae5e76405daaee,
  title = {Is placental function testing worthwhile? An update on placental lactogen.},
  author = {J G Grudzinskas and Y B Gordon and J Wadsworth and M Menabawey and T Chard},
  year = {1981},
  doi = {10.1111/j.1479-828x.1981.tb00790.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6170290/},
  note = {Source identifier: 6170290}
}