IL-15 is chemotactic for natural killer cells and stimulates their adhesion to vascular endothelium
Journal of Leukocyte Biology (1997) - Comments
pubmed: 9201264  issn: 0741-5400  doi: 10.1002/jlb.61.6.729 

P. Allavena, G. Giardina, G. Bianchi, A. Mantovani