@misc{indiciaeb55688905906,
  title = {Ectopic pregnancy rates in IUD users.},
  author = {R Aznar and C L Berry and I D Cooke and A Cuadros and R Gray and G P McNicol and J R Newton and E Pizarro and P J Rowe and S T Shaw and T Wagatsuma and F Webb and E Wilson},
  year = {1978},
  doi = {10.1136/bmj.1.6115.785-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/630352/},
  note = {Source identifier: 630352}
}