@misc{indiciae5a6c572e01f2,
  title = {Initial experience with a prepared childbirth program.},
  author = {R E Howard and Jan Marie Sister},
  doi = {10.1111/j.1552-6909.1972.tb00550.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4484758/},
  note = {Source identifier: 4484758}
}