Kanazawa, H Increased levels of nitric oxide derivatives in induced sputum in patients with asthma. [electronic resource] - The Journal of allergy and clinical immunology May 1997 - 624-9 p. digital Publication Type: Journal Article ISSN: 0091-6749 Standard No.: 10.1016/s0091-6749(97)70024-1 doi Subjects--Topical Terms: AdultAgedAsthma--metabolismBlood Proteins--analysisEosinophil Granule ProteinsEosinophilsFemaleHumansLeukocyte CountMaleMiddle AgedNitrates--analysisNitric Oxide--metabolismNitrites--analysisRibonucleasesSputum--chemistry