Nguyen, Loc T Retraction: B7-DC/PD-L2 cross-linking induces NF-kappaB-dependent protection of dendritic cells from cell death. [electronic resource] - Journal of immunology (Baltimore, Md. : 1950) Jun 2010 - 6554 p. digital Publication Type: Retraction Notice ISSN: 1550-6606 Standard No.: 10.4049/jimmunol.1090033 doi