TY - RPRT TI - Class II transactivator: is it a master switch for MHC class II gene expression? AU - C H Chang AU - S Roys AU - T Gourley PY - 1999 DO - 10.1016/s1286-4579(99)00230-0 UR - https://pubmed.ncbi.nlm.nih.gov/10614005/ ID - 10614005 ER -