Hilbert, DM., Cancro, MP., Scherle, PA., Nordan, RP., Van Snick, J., Gerhard, W., & Rudikoff, S. (1989). T-cell Derived Il-6 Is Differentially Required for Antigen-specific Antibody Secretion By Primary and Secondary B-cells. Journal of Immunology, 143(12), 4019-4024. https://hdl.handle.net/2078.5/39697 (Original work published 1989)