@misc{indiciae5000e5eb5fc0,
  title = {Improving physical fitness by exercise training programs.},
  author = {S N Blair and J V Chandler and D B Ellisor and T Langley},
  year = {1980},
  doi = {10.1097/00007611-198012000-00018},
  url = {https://pubmed.ncbi.nlm.nih.gov/7444552/},
  note = {Source identifier: 7444552}
}