@article{20595,
  author = {Lam L. and Jenkins C. and Smith T. and Davidson P. and Ingham J.},
  title = {The use of non-invasive ventilation for the relief of dyspnoea in exacerbations of chronic obstructive   pulmonary disease; a systematic review.},
  year = {2012},
  journal = {Respirology},
  volume = {17},
  number = {2},
  pages = {300-7},
  language = {eng},
}