PT - JOURNAL ARTICLE AU - Clark, Rachael A. TI - Changing of the guard AID - 10.1126/sciimmunol.aaz2438 DP - 2019 Sep 06 TA - Science Immunology PG - eaaz2438 VI - 4 IP - 39 4099 - http://immunology.sciencemag.org/content/4/39/eaaz2438.short 4100 - http://immunology.sciencemag.org/content/4/39/eaaz2438.full SO - Sci. Immunol.2019 Sep 06; 4 AB - Anti-PD-1 therapy induces clonal expansion of tumor-specific T cells with antigen specificities distinct from the tumor-specific T cells present before therapy.