@misc{indiciae51c16263e175,
  title = {Changing maternal mortality in Massachusetts.},
  author = {J F JEWETT},
  year = {1957},
  doi = {10.1056/nejm195702282560905},
  url = {https://pubmed.ncbi.nlm.nih.gov/13419010/},
  note = {Source identifier: 13419010}
}