Work of breathing before and after bronchodilators in patients with emphysema.

@article{Miller1965WorkOB,
  title={Work of breathing before and after bronchodilators in patients with emphysema.},
  author={J Mitchell Miller and Grant Gall and B J Sproule},
  journal={Diseases of the chest},
  year={1965},
  volume={48 5},
  pages={458-63}
}