2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84009A general criterion is formulated in order to decide if recycling of B-cells exists in GC reactions. The criterion is independent of the selection and affinity maturation process and based solely on total centroblast population arguments. An experimental test is proposed to verify whether the criterion is fulfilled.13 pages, 4 figures, 18 references, version as publishedBiological PhysicsCell BehaviorDoes Recycling in Germinal Centers Exist?text