Figure 1From: HLA-A and -B alleles and haplotypes in 240 index patients with common variable immunodeficiency and selective IgG subclass deficiency in central AlabamaPedigree of kinship in which various antibody deficiency phenotypes occurred in association with inheritance of the HLA haplotype A*02-B*44. Index patient indicated by arrow. CVID = common variable immunodeficiency; IgGSD = selective IgG subclass deficiency.Back to article page