Asthma may be accurately diagnosed in daily practice on the basis of subjective symptoms and FeNO levels, particularly in atopic patients.
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology
Department of Pulmonary Medicine, School of Medicine, Fukushima Medical University, Fukushima City, Japan. fukuhara [at] fmu.ac.jp
Ann Allergy Asthma Immunol. 2011 Dec;107(6):480-6
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