%0 Journal Article %T Secondary Structural Preferences of Some Antibacterial Cyclooctapeptides in the Presence of Calcium(II) %A Tarshona Stevens %A Nykia McNeil %A Xiuli Lin %A Maria Ngu-Schwemlein %J International Journal of Medicinal Chemistry %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/730239 %U http://dx.doi.org/10.1155/2012/730239