@misc{indiciae638e886b68e5,
  title = {Letter: Effect of posture on exercise performance.},
  author = {G De Backer},
  year = {1974},
  doi = {10.1161/01.cir.49.3.594},
  url = {https://pubmed.ncbi.nlm.nih.gov/4813194/},
  note = {Source identifier: 4813194}
}