PT - JOURNAL ARTICLE AU - van Dixhoorn, Jan AU - Folgering, Hans TI - The Nijmegen Questionnaire and dysfunctional breathing AID - 10.1183/23120541.00001-2015 DP - 2015 May 01 TA - ERJ Open Research PG - 00001-2015 VI - 1 IP - 1 4099 - http://openres.ersjournals.com/content/1/1/00001-2015.short 4100 - http://openres.ersjournals.com/content/1/1/00001-2015.full SO - erjor2015 May 01; 1