@misc{indiciae541a613a202f,
  title = {Breathing efficiency during inspiratory threshold loading in patients with chronic obstructive pulmonary disease.},
  author = {E M Baarends and A M Schols and C M Nusmeier and C P van der Grinten and E F Wouters},
  year = {1998},
  doi = {10.1046/j.1365-2281.1998.00097.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9649911/},
  note = {Source identifier: 9649911}
}