@misc{indiciae876d1d9cbdfc,
  title = {Study design in perinatal medicine.},
  author = {K L Noller and L J Melton},
  year = {1985},
  doi = {10.1055/s-2007-999962},
  url = {https://pubmed.ncbi.nlm.nih.gov/3874631/},
  note = {Source identifier: 3874631}
}