Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleIgG subclasses in smokers with chronic bronchitis and recurrent exacerbationsAuthorsQvarfordt, I; Riise, G C; Andersson, B A; Larsson, SPublicationThorax, 2001, Vol 56, Issue 6, p445ISSN0040-6376Publication typearticleDOI10.1136/thx.56.6.445