PMC:2222968 / 1575-1772 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/2222968","sourcedb":"PMC","sourceid":"2222968","source_url":"http://www.ncbi.nlm.nih.gov/pmc/2222968","text":" are driven by specialized epitope-specific T cells, whose numbers expand upon recognition of antigen found on professional antigen-presenting cells. The subsequent maturation process involves the ","tracks":[]}