@misc{indiciae6170e5d1044e,
  title = {Modular approach to CPR training.},
  author = {T J Herrin and P F Norman and C Hill and R Crosby},
  year = {1980},
  doi = {10.1097/00007611-198006000-00018},
  url = {https://pubmed.ncbi.nlm.nih.gov/7394596/},
  note = {Source identifier: 7394596}
}