title: Evidence for the early appearance of interleukins and tumor necrosis factor in the phylogenesis of vertebrates.
authors.forename: W
authors.initials: W
authors.lastname: Ahne
mesh_terms: D000818:Animals; D017821:Boidae / Q000276:immunology; D016207:Cytokines / Q000235:genetics*; D017686:Oncorhynchus mykiss / Q000276:immunology; D010802:Phylogeny; D014982:Xenopus laevis / Q000276:immunology
chemical_list: D016207:Cytokines