@misc{indiciae34472f5a1afb,
  title = {Symptom-based questionnaire for differentiating COPD and asthma.},
  author = {David G Tinkelman and David B Price and Robert J Nordyke and R J Halbert and Sharon Isonaka and Dmitry Nonikov and Elizabeth F Juniper and Daryl Freeman and Thomas Hausen and Mark L Levy and Anders Ostrem and Thys van der Molen and Constant P van Schayck},
  year = {2005},
  doi = {10.1159/000090141},
  url = {https://pubmed.ncbi.nlm.nih.gov/16330874/},
  note = {Source identifier: 16330874}
}