Access
To read this article in full you may need to log in, make a payment or gain access through a site license (see right).
Research Highlights
Nature Reviews Immunology 3, 924 (1 December 2003) | doi:10.1038/nri1273
CTL function |[mdash]| not just an on/off switch
To read this article in full you may need to log in, make a payment or gain access through a site license (see right).
