@misc{indiciae2dda9e61ab41,
  title = {Simple exercise testing.},
  author = {A D Morgan},
  year = {1989},
  doi = {10.1016/s0954-6111(89)80069-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/2694234/},
  note = {Source identifier: 2694234}
}