@misc{indiciae9902fa71bc5b,
  title = {Maternal death and the I.U.D.},
  author = {R A Sparks and M S Buckingham and M Elstein and P J Watt and B G Purrier},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91115-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/63739/},
  note = {Source identifier: 63739}
}