@misc{indiciae25bb03a31c95,
  title = {Advice on exercise.},
  author = {P H Fentem},
  year = {1978},
  doi = {10.1136/bmj.2.6134.429},
  url = {https://pubmed.ncbi.nlm.nih.gov/687953/},
  note = {Source identifier: 687953}
}