@misc{indiciae77870ed28bbb,
  title = {Embryonic development in ectopic human pregnancy.},
  author = {B J Poland and F J Dill and C Styblo},
  year = {1976},
  doi = {10.1002/tera.1420140306},
  url = {https://pubmed.ncbi.nlm.nih.gov/996778/},
  note = {Source identifier: 996778}
}