@misc{indiciae20c49fd3bb9e,
  title = {Verapamil causes decreased diaphragm endurance but no decrease of nocturnal O(2) saturation in patients with chronic obstructive pulmonary disease.},
  author = {M E Broeders and Y F Heijdra and P Smits and H T Folgering and C Kramers},
  year = {2000},
  doi = {10.1007/s002280050005},
  url = {https://pubmed.ncbi.nlm.nih.gov/10663450/},
  note = {Source identifier: 10663450}
}