Linsley, Peter S <br/><br/>
New look at an old costimulator.  [electronic resource] 

 -  Nature immunology  Mar 2005 
 - 231-2 p.  digital 
<br/><br/> Publication Type: News; Comment 
<br/><br/><label>ISSN: </label>1529-2908 
<br/><br/><label>Standard No.: </label>10.1038/ni0305-231  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antigen-Presenting Cells--immunology<br/>CD28 Antigens--chemistry<br/>Humans