@misc{indiciaec17eae287a6f,
  title = {Relaxation on record.},
  author = {I C Martin},
  year = {1969},
  doi = {10.1016/s0140-6736(69)90869-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4188098/},
  note = {Source identifier: 4188098}
}