@misc{indiciae01fce228558a,
  title = {Can general practitioners influence exercise habits? Controlled trial.},
  author = {M J Campbell and D Browne and W E Waters},
  year = {1985},
  doi = {10.1136/bmj.290.6474.1044},
  url = {https://pubmed.ncbi.nlm.nih.gov/3921103/},
  note = {Source identifier: 3921103}
}