title: Measuring FENO in asthma: coexisting allergic rhinitis and severity of atopy as confounding factors.
authors.forename: Eric Y
authors.initials: EY
authors.lastname: Chan
authors.forename: Daniel K
authors.initials: DK
authors.lastname: Ng
authors.forename: Chung-Hong
authors.initials: CH
authors.lastname: Chan
mesh_terms: D000388:Air / Q000032:analysis*; D001249:Asthma / Q000150:complications / Q000175:diagnosis* / Q000378:metabolism; D002648:Child; D045853:Exhalation / Q000502:physiology*; D006801:Humans; D009569:Nitric Oxide / Q000032:analysis*; D006255:Rhinitis, Allergic, Seasonal / Q000150:complications* / Q000175:diagnosis / Q000378:metabolism; D012720:Severity of Illness Index
chemical_list: D009569:Nitric Oxide