%0 Journal Article %T Natural Killer Cells in Healthy and Diseased Subjects %A Roberto Biassoni %A John E. Coligan %A Lorenzo Moretta %J Journal of Biomedicine and Biotechnology %D 2011 %I Hindawi Publishing Corporation %R 10.1155/2011/795251 %U http://dx.doi.org/10.1155/2011/795251