%0 Journal Article %T Esophageal Involvement in Scleroderma: Clinical, Endoscopic, and Manometric Features %A M. Lahcene %A N. Oumnia %A N. Matougui %A M. Boudjella %J ISRN Rheumatology %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/325826 %U http://dx.doi.org/10.5402/2011/325826