@misc{indiciaef7ac11e8da4d,
  title = {[Forceps versus vacuum].},
  author = {W Gruber and K Chalubinski and M Ulm},
  year = {1993},
  doi = {10.1159/000272202},
  url = {https://pubmed.ncbi.nlm.nih.gov/8118253/},
  note = {Source identifier: 8118253}
}