@misc{indiciae6777971925e6,
  title = {Positioning for head control to access an augmentative communication machine.},
  author = {J L Bay},
  year = {1991},
  doi = {10.5014/ajot.45.6.544},
  url = {https://pubmed.ncbi.nlm.nih.gov/1829586/},
  note = {Source identifier: 1829586}
}