%0 Journal Article %T Spirometry, questionnaire and electronic medical record based COPD in a population survey: Comparing prevalence, level of agreement and associations with potential risk factors %A Bernadette Aalders %A C. Joris Yzermans %A Catharina B. M. Maassen %A Christel E. van Dijk %A Dick Heederik %A Esmeralda Krop %A Floor Borl¨¦e %A Fran£¿ois Schellevis %A Jan-Paul Zock %A Jos Rooijackers %A Lidwien A. M. Smit %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0171494 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5342260/