@misc{indiciae79d02b7bfd79,
  title = {Measuring maternal mortality.},
  author = {E Royston and C AbouZahr},
  year = {1992},
  doi = {10.1111/j.1471-0528.1992.tb13815.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1525090/},
  note = {Source identifier: 1525090}
}