@misc{8428,
  author = {K. Rothnie and H. Mullerova and L. Smeeth and J. Quint},
  title = {Natural History of Chronic Obstructive Pulmonary Disease Exacerbations in a General Practice-based Population with Chronic Obstructive Pulmonary Disease},
  year = {2018},
  journal = {Am J Respir Crit Care Med},
  volume = {198},
  number = {4},
  pages = {464-471},
  issn = {1073-449x},
  doi = {10.1164/rccm.201710-2029OC},
}