Human beta 2 interferon and B-cell differentiation factor BSF-2 are identical.
D001402:B-Lymphocytes / Q000276:immunology*; D003115:Colony-Stimulating Factors / Q000235:genetics; D005796:Genes; D006133:Growth Substances / Q000235:genetics*; D006801:Humans; D007370:Interferon Type I / Q000235:genetics*; D015847:Interleukin-4; D008222:Lymphokines / Q000235:genetics*; D012689:Sequence Homology, Nucleic Acid
D003115:Colony-Stimulating Factors; D006133:Growth Substances; D007370:Interferon Type I; D008222:Lymphokines; D015847:Interleukin-4