Previous Article Next Article Table of Contents Science, Vol.284, No.5418, 1283-1284, 1999 DOI10.1126/science.284.5418.1283 Export Citation Immunology - Instruction, selection, or tampering with the odds? Coffman RL, Reiner SL Keywords:T-LYMPHOCYTES;EXPRESSION;CELLS;ACTIVATION;MECHANISM;ALLELES;LINEAGE Please enable JavaScript to view the comments powered by Disqus.
