. "histocompatibility antigens class ii" . "class III" . "structures on the cell surface" . "class I" . "MHC complex" . "class II" . "self-peptide:self-MHC complex" . "major histocompatibility" . . . "Major histocompatibility antigen" . "Major_histocompatibility_complex" . "peptide:MHC complex" . "major histocompatibility complex" . "histocompatibility system" . . "MHC (major histocompatibility complex)" . . "major histocompatibility complex genes" . "MHC genes" . "H2" . "cell mediated immune defence" . "nonclassical, low polymorphic class Ib MHC" . "MHC class II" . "Major histocompatibility antigens" . . . "major histocompatibility complex (MHC)" . "MHC I antigen" . "MHC molecule" . . "Histocompatibility Complex" . "major histocompatibility complexes" . "''Mhc''" . . . "major histocompatibility complex (MHC) II" . "Mhc" . "Major histocompatibility complex" . "MHC antigens" . "MHC molecules" . "Major histocompatibility complex" . "Class I MHC" . "major histocompatibility complexes (MHC)" . "''Mhc''\u2019s" . . "MHC II" . "Major histocompatibility complex (MHC)" . . "major histocompatibility complex class III" . . . . . "MHC peptide" . "MHC class I molecules" . . "Class II MHC" . "HLA loci" . "major histocompatibility locus" . "MHC class II antigen-presenting receptor" . . "classical MHC I" . "MHC region" . . "MHC in sexual mate selection" . . "HLA" . "major-histocompatibility-complex" . "histocompatibility" . "Major Histocompatibility Complex" . . . . . "class II major histocompatibility complexes" . "MHC" . . "MHC class Ia" . "classical MHC genes" . "MHC-matched" .