PT  - JOURNAL ARTICLE
AU  - Minna Tommola
AU  - Pinja Ilmarinen
AU  - Leena E. Tuomisto
AU  - Hannu Kankaanranta
TI  - Concern of underdiagnosing asthma–COPD overlap syndrome if age limit of 40 years for asthma is used
AID  - 10.1183/13993003.00871-2017
DP  - 2017 Aug 01
TA  - European Respiratory Journal
PG  - 1700871
VI  - 50
IP  - 2
4099  - http://erj.ersjournals.com/content/50/2/1700871.short
4100  - http://erj.ersjournals.com/content/50/2/1700871.full
SO  - Eur Respir J2017 Aug 01; 50