@misc{indiciae676bec7fb83c,
  title = {Impregnated via a bullet?},
  author = {A C Gordon and R D Spicer},
  year = {1989},
  doi = {10.1016/s0140-6736(89)92264-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2564559/},
  note = {Source identifier: 2564559}
}