@misc{indiciaecb66bad2ff4e,
  title = {IUDs and PID: a comparative trial of strings versus stringless devices.},
  author = {D M Potts and C B Champion and M Kozuh-Novak and F Alvarez-Sanchez and R Santiso-Galvez and X Tacla and J Cohen and R Rivera},
  doi = {10.1007/bf01849413},
  url = {https://pubmed.ncbi.nlm.nih.gov/1950721/},
  note = {Source identifier: 1950721}
}