@misc{indiciae0ca6a4f5baa7,
  title = {Progressive relaxation facilitated.},
  author = {I C Martin},
  year = {1970},
  doi = {10.1016/0005-7967(70)90096-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/5421738/},
  note = {Source identifier: 5421738}
}