Stammers M، Rowen L، Rhodes D، Trowsdale J، Beck S (مايو 2000). "BTL-II: a polymorphic locus with homology to the butyrophilin gene family, located at the border of the major histocompatibility complex class II and class III regions in human and mouse". Immunogenetics. ج. 51 ع. 4–5: 373–82. DOI:10.1007/s002510050633. PMID:10803852.
Stammers M، Rowen L، Rhodes D، Trowsdale J، Beck S (مايو 2000). "BTL-II: a polymorphic locus with homology to the butyrophilin gene family, located at the border of the major histocompatibility complex class II and class III regions in human and mouse". Immunogenetics. ج. 51 ع. 4–5: 373–82. DOI:10.1007/s002510050633. PMID:10803852.