@misc{7565,
  author = {H. Whittaker and S. Kiddle and J. Quint},
  title = {Challenges and Pitfalls of Using Repeat Spirometry Recordings in Routine Primary Care Data to Measure FEV(1) Decline in a COPD Population},
  year = {2021},
  journal = {Pragmat Obs Res},
  volume = {12},
  pages = {119-130},
  issn = {1179-7266 (Print) 1179-7266},
  doi = {10.2147/por.s319965},
}