@misc{indiciae0a202d60b496,
  title = {Pacing threshold interval with decreasing and increasing output.},
  author = {J C Sylvén and M Hellerstedt and M Levander-Lindgren},
  year = {1982},
  doi = {10.1111/j.1540-8159.1982.tb02300.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6182534/},
  note = {Source identifier: 6182534}
}