COPD: the dangerous underestimate of 15%.

@article{Rennard2006COPDTD,
  title={COPD: the dangerous underestimate of 15%.},
  author={Stephen I. Rennard and J\orgen Vestbo},
  journal={Lancet},
  year={2006},
  volume={367 9518},
  pages={1216-9}
}