@article{Soler:62018,
      author        = "Soler, X. and Liao, S.Y. and Marin, J.M. and
                       Lorenzi-Filho, G. and Jen, R. and DeYoung, P. and Owens,
                       R.L. and Ries, A.L. and Malhotra, A.",
      title         = "{Age, gender, neck circumference, and Epworth sleepiness
                       scale do not predict obstructive sleep apnea (OSA) in
                       moderate to severe chronic obstructive pulmonary disease
                       (COPD): The challenge to predict OSA in advanced COPD}",
      year          = "2017",
}