title: The impossibility of defining unequivocally the antiviral activity of human fibroblast interferon in terms of a human leukocyte interferon standard.
mesh_terms: D002460:Cell Line; D004305:Dose-Response Relationship, Drug; D005347:Fibroblasts / Q000378:metabolism; D006801:Humans; D007372:Interferons / Q000096:biosynthesis / Q000494:pharmacology / Q000592:standards*; D007962:Leukocytes / Q000378:metabolism; D012672:Semliki forest virus / Q000187:drug effects
chemical_list: D007372:Interferons