TY - RPRT TI - The B cell receptor itself can activate complement to provide the complement receptor 1/2 ligand required to enhance B cell immune responses in vivo. AU - Joerg Rossbacher AU - Mark J Shlomchik PY - 2003 DO - 10.1084/jem.20022042 UR - https://pubmed.ncbi.nlm.nih.gov/12925675/ ID - 12925675 ER -