%0 Journal Article %T A Critical Review of Effects of COPD Self-Management Education on Self-Efficacy %A Michael Stellefson %A Bethany Tennant %A J. Don Chaney %J ISRN Public Health %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/152047 %U http://dx.doi.org/10.5402/2012/152047