@misc{indiciaeae2ec385057f,
  title = {Embryo migration responsible for ectopic pregnancies.},
  author = {B Rizk and P Brinsden},
  year = {1990},
  doi = {10.1016/0002-9378(90)90730-u},
  url = {https://pubmed.ncbi.nlm.nih.gov/2220954/},
  note = {Source identifier: 2220954}
}