title: Characteristics of cloned and natural lymphokines: a comment on criteria which may be useful in establishing international standards.
mesh_terms: D004345:Drug Industry; D006801:Humans; D008222:Lymphokines / Q000592:standards*; D011994:Recombinant Proteins / Q000592:standards*
chemical_list: D008222:Lymphokines; D011994:Recombinant Proteins