%0 Journal Article %T Improved Chromatographic Methods for Determination of Bioactive Compounds from Aloe vera Leaves %A L. Azaroual %A A. Liazid %A G. F. Barbero %A J. Brigui %J ISRN Chromatography %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/609095 %U http://dx.doi.org/10.5402/2012/609095