title: Racial difference in the prevalence of IgA-associated nephropathies.
mesh_terms: D044383:Black People; D005921:Glomerulonephritis / Q000453:epidemiology* / Q000276:immunology; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D014481:United States; D001741:Black or African American
chemical_list: D007070:Immunoglobulin A