@misc{indiciae9f6887a9ba6f,
  title = {Case definitions for chronic obstructive pulmonary disease.},
  author = {Eva Hnizdo and Henry W Glindmeyer and Edward L Petsonk and Paul Enright and A Sonia Buist},
  year = {2006},
  doi = {10.1080/15412550600651552},
  url = {https://pubmed.ncbi.nlm.nih.gov/17175672/},
  note = {Source identifier: 17175672}
}