@misc{indiciae32a6450017f7,
  title = {A modified Krogh's bicycle ergometer.},
  author = {J McCall and A R Smellie},
  year = {1931},
  doi = {10.1113/jphysiol.1931.sp002783},
  url = {https://pubmed.ncbi.nlm.nih.gov/16994218/},
  note = {Source identifier: 16994218}
}