CHEST Journal · 2010 · 34 citations · 38 references
MedicinePhysiologyAgingPulmonologyAirway DisordersAirway ObstructionRespiratory DiseaseRespiratory PathophysiologyExhaled Nitric OxideNitric OxideNitric Oxide BiologyPulmonary AgingSmall Airway DysfunctionSmall Airway Response
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American Journal of Respiratory and Critical Care Medicine · 2005 · 3.2K citations
Asthma exacerbations and sputum eosinophil counts: a randomised controlled trial
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