@misc{indiciae5545a4ea37d1,
  title = {Protrusion.},
  author = {F F Crutcher},
  year = {1978},
  doi = {10.1043/0003-3219(1978)048<0324:p>2.0.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/281890/},
  note = {Source identifier: 281890}
}