https://ghr.nlm.nih.gov/primer/genefamily/hla NIH Genetics Home Reference HLA human leukocyte antigen (HLA) complex https://ghr.nlm.nih.gov/primer/genefamily/hla https://ghr.nlm.nih.gov/primer/genefamily/hla HLA https://ghr.nlm.nih.gov/primer/genefamily/hla HLA genes HLA genes HLA (human leukocyte antigen) human leukocyte antigens human leukocyte antigen https://ghr.nlm.nih.gov/primer/genefamily/hla human leukocyte antigens complexe HLA HLA human leukocyte antigen human leukocyte antigens human leukocyte antigens HLA genes HLA HLA in humans HLA genes