Bel, E.H.

nitric oxide children nitric oxide patient subject control subjects asthmatic concentration study asthma measurement level fibrosis control value airway cf patients result group disease output /flow /flow relationship effect relationship flow rates flow range range target flow respir capacity difference resistance flow resistance expiratory volume 2 weeks barnes pj airway inflammation flow rate alving k contamination steroid inhaled exhalation fibrosis patients plateau expiratory volume regression lines slope regression target inflammation flow-dependency analysis lung volume 0.1 300 ml.s breath condensate asthmatic patients regression analysis expiration nitrite levels /flow plots kroesbergen child adult log-log netherland hospital lilly-type pneumotachograph table end-expiratory cf airways weitzberg e expiration flow disease states asthmatic children airway size