Affinity maturation of antibody responses is mediated by differential plasma cell proliferation. - MacLean AJ; Deimel LP; Zhou P; ElTanbouly MA; Merkenschlager J; Ramos V; Santos GS; Hägglöf T; Mayer CT; Hernandez B; Gazumyan A; Nussenzweig MC (Science (New York, N.Y.), 2025)