Backer, Vibeke FENO and AHR mannitol in patients referred to an out-of-hospital asthma clinic: a real-life study. [electronic resource] - The Journal of asthma : official journal of the Association for the Care of Asthma May 2014 - 411-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1532-4303 Standard No.: 10.3109/02770903.2013.878953 doi Subjects--Topical Terms: AdolescentAdultAge FactorsAmbulatory Care--methodsAmbulatory Care FacilitiesAnalysis of VarianceAsthma--complicationsBronchial Hyperreactivity--complicationsBronchial Provocation TestsChildCohort StudiesExhalationFemaleForced Expiratory Flow RatesHumansMaleMannitolMiddle AgedNitric Oxide--metabolismPrognosisRespiratory Function TestsRisk AssessmentSeverity of Illness IndexSkin Tests--methods