@misc{indiciae7295f5fced23,
  title = {Passive step-back technique.},
  author = {M Torabinejad},
  year = {1994},
  doi = {10.1016/0030-4220(94)90203-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/8015805/},
  note = {Source identifier: 8015805}
}