@misc{indiciae34c54d5c3423,
  title = {Instrument nonlinearities and therapy unit timer error.},
  author = {M Rozenfeld},
  year = {1972},
  doi = {10.1088/0031-9155/17/6/016},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637722/},
  note = {Source identifier: 4637722}
}