RDF of MGI datapubmed

Yvette E. Latchman, et.al., PD-L1-deficient mice show that PD-L1 on T cells, antigen-presenting cells, and host tissues negatively regulates T cells., Proceedings of the National Academy of Sciences of the United States of America, 2004, 101
http://rdf.ncbi.nlm.nih.gov/pubmed/15249675