@misc{indiciaecbc95973b071,
  title = {The Marrett drawover apparatus.},
  author = {C Ball and R Westhorpe},
  year = {1998},
  doi = {10.1177/0310057x9802600302},
  url = {https://pubmed.ncbi.nlm.nih.gov/9619216/},
  note = {Source identifier: 9619216}
}