%0 Journal Article %T The overlap phenotype: the (missing) link between asthma and COPD %A Barbara Piras %A Marc Miravitlles %J Multidisciplinary Respiratory Medicine %D 2012 %I BioMed Central %R 10.1186/2049-6958-7-8 %U http://www.mrmjournal.com/content/7/1/8/abstract