ArticleRespiratory research2009

Diagnosing asthma in general practice with portable exhaled nitric oxide measurement--results of a prospective diagnostic study: FENO < or = 16 ppb better than FENO < or =12 ppb to rule out mild and moderate to severe asthma [added].

Antonius Schneider et al.PubMed ↗Full text ↗Publisher ↗

No numbers read from the abstract.