Chemical or biochemical products for research purposes, namely, interferons, antibodies; chemicals or biochemicals for biotechnological research, namely, interferons, antibodies; chemicals or biochemicals for use in scientific research, namely, interferons, antibodies; diagnostic preparations, for scientific or research use in the field of immunology, namely, interferons, antibodies; reagents for in vitro or in vivo use for scientific or research use in the field of immunology, namely, interf...