Interleukin-13 ( IL-13 ) and IL-4 are cytokines produced by T cells that are encoded by the q23-31 region of human chromosome 5 .
interleukin-13 ( il-13 ) and il-4 are cytokines produced by t cells that are encoded by the q23-31 region of human chromosome 5 .
B-protein_molecule O B-protein_molecule O O B-protein_molecule O O O O O O O O O O O O O O O O O O