@misc{indiciae642d9d0bbb53,
  title = {Community-based perinatal research.},
  author = {R Altman and B S Schifrin and J R Shields and D Clement},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2313396/},
  note = {Source identifier: 2313396}
}