title: Cell substrates for biologicals other than vaccines. Introductory remarks.
mesh_terms: D001688:Biological Products; D002478:Cells, Cultured / Q000378:metabolism*; D010450:Endopeptidases / Q000378:metabolism*; D006801:Humans; D007372:Interferons / Q000096:biosynthesis*; D014568:Urokinase-Type Plasminogen Activator / Q000378:metabolism*
chemical_list: D001688:Biological Products; D007372:Interferons; D010450:Endopeptidases; D014568:Urokinase-Type Plasminogen Activator