@article{gershon2014-24008897,
  author  = {Gershon, A. S. and Hwee, J. and Croxford, R. and Aaron, S. D. and To, T.},
  title   = {{Patient and physician factors associated with pulmonary function testing for COPD: a population study}},
  journal = {Chest},
  year    = {2014},
  doi     = {10.1378/chest.13-0790},
  pmid    = {24008897},
  url     = {https://doi.org/10.1378/chest.13-0790}
}