@misc{indiciae15a055217b86,
  title = {Ectopic pregnancy.},
  author = {R C PERCIVAL},
  year = {1956},
  doi = {10.1136/pgmj.32.373.550},
  url = {https://pubmed.ncbi.nlm.nih.gov/13389020/},
  note = {Source identifier: 13389020}
}