679 Characterization of tumor specific CD8+ T cell responses in patients with recurrent/metastatic HPV16-positive head and neck cancer receiving HB-200 monotherapy as second or later line treatment in a phase 1 study
679 Characterization of tumor specific CD8+ T cell responses in patients with recurrent/metastatic HPV16-positive head and neck cancer receiving HB-200 monotherapy as second or later line treatment in a phase 1 study