TY - GEN AU - MacLennan,Ian C M TI - Germinal centers still hold secrets SN - 1074-7613 PY - 2005///0802 KW - Animals KW - Antigens, CD19 KW - immunology KW - B-Lymphocytes KW - Germinal Center KW - Lymphocyte Activation KW - Mice KW - Somatic Hypermutation, Immunoglobulin N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1016/j.immuni.2005.06.002 ER -