RT Journal Article SR Electronic T1 Airway obstruction is associated with reduced variability in specific parts of the tidal breathing flow–volume curve in young children JF ERJ Open Research JO erjor FD European Respiratory Society SP 00028-2019 DO 10.1183/23120541.00028-2019 VO 5 IS 2 A1 Seppä, Ville-Pekka A1 Hult, Anton A1 Gracia-Tabuenca, Javier A1 Paassilta, Marita A1 Viik, Jari A1 Plavec, Davor A1 Karjalainen, Jussi YR 2019 UL http://openres.ersjournals.com/content/5/2/00028-2019.abstract AB