title: The long-acting β-adrenergic agonist controversy in asthma: troublesome times!
authors.forename: Stanley J
authors.initials: SJ
authors.lastname: Szefler
authors.forename: William W
authors.initials: WW
authors.lastname: Busse
mesh_terms: D000818:Animals; D001249:Asthma / Q000235:genetics* / Q000276:immunology*; D044127:Epigenesis, Genetic; D006801:Humans; D016176:T-Lymphocyte Subsets / Q000276:immunology*; D018418:Th2 Cells / Q000276:immunology*