@misc{indiciae9fddda2c3a4a,
  title = {A cluster system for maternity care.},
  author = {F S Waryas and M B Luebbers},
  doi = {10.1097/00005721-198603000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/3083186/},
  note = {Source identifier: 3083186}
}