CD8B and B-cell chronic lymphocytic leukemia: Expression analysis of adenovirus binding (CAR) and internalization receptors (avβ3, avβ5) on various human lymphoma cell lines (Raji, Daudi, OCI-Ly3-LAM53), primary B lymphoma cells (B-CLL, IC), and CIK cells by FACS analysis (mean ± SEM; n = 3; n.d., not detectable).