@misc{indiciae6eb300f08637,
  title = {A mathematical model for predicting toothbrush stiffness.},
  author = {H R Rawls and N J Mkwayi-Tulloch and M E Krull},
  year = {1990},
  doi = {10.1016/s0109-5641(05)80040-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2079171/},
  note = {Source identifier: 2079171}
}