title: Regulation of B lymphocyte differentiation.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology / Q000502:physiology*; D002454:Cell Differentiation; D006133:Growth Substances / Q000276:immunology / Q000502:physiology; D006801:Humans; D015847:Interleukin-4; D008213:Lymphocyte Activation; D008222:Lymphokines / Q000276:immunology / Q000502:physiology
chemical_list: D006133:Growth Substances; D008222:Lymphokines; D015847:Interleukin-4