@misc{indiciaee7036210c515,
  title = {What makes a good staging algorithm: examples from regular exercise.},
  author = {G R Reed and W F Velicer and J O Prochaska and J S Rossi and B H Marcus},
  doi = {10.4278/0890-1171-12.1.57},
  url = {https://pubmed.ncbi.nlm.nih.gov/10170436/},
  note = {Source identifier: 10170436}
}