RT Journal Article SR Electronic T1 The course of specific self-reported exercise-induced airway symptoms in adolescents with and without asthma JF ERJ Open Research JO erjor FD European Respiratory Society SP 00349-2020 DO 10.1183/23120541.00349-2020 VO 6 IS 4 A1 Johansson, Henrik A1 Emtner, Margareta A1 Janson, Christer A1 Nordang, Leif A1 Malinovschi, Andrei YR 2020 UL http://openres.ersjournals.com/content/6/4/00349-2020.abstract AB