@misc{indiciae2c92a2fb0c27,
  title = {Comparative study of Copper IUDs.},
  author = {K Prema and T L Gayatri and F S Philips},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/12335926/},
  note = {Source identifier: 12335926}
}