Type II major histocompatibility complex combined immune deficiency ( type II MHC CID or bare lymphocyte syndrome ) is a congenital immunodeficiency disease characterized by absent MHC class II expression .
type ii major histocompatibility complex combined immune deficiency ( type ii mhc cid or bare lymphocyte syndrome ) is a congenital immunodeficiency disease characterized by absent mhc class ii expression .
B-protein_complex I-protein_complex I-protein_complex I-protein_complex I-protein_complex O O O O B-other_name I-other_name B-protein_complex O O B-other_name I-other_name I-other_name O O O O O O O O O B-protein_complex I-protein_complex I-protein_complex O O