Shuang Wei, Andrew B. Shreiner, Nobuhiro Takeshita, Lieping Chen,
Weiping Zou, Alfred E. Chang:
Tumor-Induced Immune Suppression of In vivo Effector T-Cell
Priming Is Mediated by the B7-H1/PD-1 Axis and
Transforming Growth Factor B.
Cancer research
:5432
, 2008
DOI:10.1158/0008-5472.CAN-07-6598