@misc{indiciaecf6c59f184e0,
  title = {Encouraging physical activity.},
  author = {M Malkin},
  year = {1998},
  doi = {10.7326/0003-4819-128-7-199804010-00034},
  url = {https://pubmed.ncbi.nlm.nih.gov/9518423/},
  note = {Source identifier: 9518423}
}