@misc{indiciaed8d08f2e9c70,
  title = {Current status of the two-step exercise test.},
  author = {A M Master and I Rosenfeld},
  year = {1968},
  doi = {10.1016/s0022-0736(68)80003-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5699498/},
  note = {Source identifier: 5699498}
}