@misc{indiciae661e26f67c2c,
  title = {Laparoscopic sterilization - II. What are the problems?},
  author = {J Wortman and P T Piotrow},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4280975/},
  note = {Source identifier: 4280975}
}