%0 Journal Article %T B Cell-Specific Deletion of Protein-Tyrosine Phosphatase Shp1 Promotes B-1a Cell Development and Causes Systemic Autoimmunity %A Pao, Lily I. %A Lam, Kong-Peng %A Henderson, Joel M. %A Kutok, Jeffery L. %A Alimzhanov, Marat %A Nitschke, Lars %A Thomas, Matthew L. %A Neel, Benjamin G. %A Rajewsky, Klaus %A , %J Immunity %@ 1074-7613 %D 2007-07-01 %I Elsevier BV %~ DeepDyve