@misc{indiciaeb9d6feaf1a5a,
  title = {Measurement errors in modified pull-ups testing.},
  author = {J A Kollath and M J Safrit and W Zhu and L G Gao},
  year = {1991},
  doi = {10.1080/02701367.1991.10607545},
  url = {https://pubmed.ncbi.nlm.nih.gov/1780567/},
  note = {Source identifier: 1780567}
}