Clustered organization of homologous KRAB zinc-finger genes with enhanced expression in human T lymphoid cells.
Bellefroid EJ, Marine JC, Ried T, Lecocq PJ, Rivière M, Amemiya C, Poncelet DA, Coulie PG, de Jong P, Szpirer C. EMBO J. 1993 Apr; 12(4):1363-74.