title: HL-A heterozygosity as a genetic marker of long-term survival.
mesh_terms: D000367:Age Factors; D000939:Epitopes; D006579:Heterozygote; D006649:Histocompatibility Antigens; D006801:Humans; D008136:Longevity; D009369:Neoplasms / Q000235:genetics* / Q000276:immunology
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens