title: IgA nephropathy.
mesh_terms: D001706:Biopsy; D002648:Child; D006801:Humans; D007070:Immunoglobulin A; D007668:Kidney / Q000473:pathology; D007674:Kidney Diseases / Q000276:immunology* / Q000473:pathology; D008297:Male
chemical_list: D007070:Immunoglobulin A