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2 Cerveri I, "The impact of cigarette smoking on asthma: a population-based international cohort study" 158 : 175-183, 2012
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4 Boudier A, "Ten-year follow-up of cluster-based asthma phenotypes in adults. A pooled analysis of three cohorts" 188 : 550-560, 2013
5 Chung KF, "Targeting the interleukin pathway in the treatment of asthma" 386 : 1086-1096, 2015
6 Newby C, "Statistical cluster analysis of the British Thoracic Society Severe refractory Asthma Registry: clinical outcomes and phenotype stability" 9 : e102987-, 2014
7 Lee T, "Smoking, longer disease duration and absence of rhinosinusitis are related to fixed airway obstruction in Koreans with severe asthma: findings from the COREA study" 12 : 1-, 2011
8 Amelink M, "Severe adult-onset asthma: a distinct phenotype" 132 : 336-341, 2013
9 Choi JS, "Role of neutrophils in persistent airway obstruction due to refractory asthma" 17 : 322-329, 2012
10 Rasmussen F, "Risk factors for airway remodeling in asthma manifested by a low postbronchodilator FEV1/vital capacity ratio: a longitudinal population study from childhood to adulthood" 165 : 1480-1488, 2002
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