title: HLA antigen frequencies in Egyptian patients with complicated schistosomiasis mansoni.
mesh_terms: D004534:Egypt; D006680:HLA Antigens / Q000032:analysis*; D006801:Humans; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000276:immunology*
chemical_list: D006680:HLA Antigens