Tai et al. CS1 promotes multiple myeloma cell adhesion, clonogenic growth, and tumorigenicity via c-maf–mediated interactions with bone marrow stromal cells. Blood. 2009;113(18):4309–4318.

On page 4318 in the April 30, 2009, issue, a volume number was omitted from one of the references. The correct Reference ³⁰ is shown. The error was corrected in the online version, which now differs from the print version.