@misc{9556,
  author = {H. Mullerova and C. Chigbo and G. Hagan and M. Woodhead and M. Miravitlles and K. Davis and J. Wedzicha},
  title = {The natural history of community-acquired pneumonia in COPD patients: a population database analysis},
  year = {2012},
  journal = {Respir Med},
  volume = {106},
  number = {8},
  pages = {1124-33},
  issn = {0954-6111},
  doi = {10.1016/j.rmed.2012.04.008},
}