Condensed expirate nitrite as a home marker for acute asthma.
D000328:Adult; D001249:Asthma / Q000175:diagnosis*; D015415:Biomarkers; D001944:Breath Tests; D016022:Case-Control Studies; D006801:Humans; D009589:Nitrogen Oxides / Q000032:analysis*
D015415:Biomarkers; D009589:Nitrogen Oxides