title: Ag(i): detection of an antithetical factor to Ag(h).
mesh_terms: D000483:Alleles; D005260:Female; D005799:Genes, Dominant; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007125:Immunogenetics; D007518:Isoantibodies / Q000032:analysis*; D007519:Isoantigens; D008077:Lipoproteins, LDL / Q000276:immunology; D010641:Phenotype
chemical_list: D007518:Isoantibodies; D007519:Isoantigens; D008077:Lipoproteins, LDL