%0 Journal Article %T Drop-In Group Medical Appointments for Patients with Asthma: A Four-Year Outcomes Study %A Myron Liebhaber %A Rob Bannister %A Wendy Raffetto %A Zeb Dyer %J ISRN Allergy %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/178925 %U http://dx.doi.org/10.5402/2011/178925