IL-12 is a novel heterodimeric cytokine important for the regulation and differentiation of lymphocytes and NK cells .
il-12 is a novel heterodimeric cytokine important for the regulation and differentiation of lymphocytes and nk cells .
B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-tissue O B-tissue I-tissue O