title: Primary mesangial IgA nephropathy in São Paulo, Brazil.
authors.affiliation: Division of Nephrology, Hospital das Clínicas, Faculty of Medicine, São Paulo University, Brazil.
authors.forename: I
authors.initials: I
authors.lastname: Nussenzveig
authors.forename: L B
authors.initials: LB
authors.lastname: Saldanha
authors.forename: M
authors.initials: M
authors.lastname: Marcondes
mesh_terms: D000293:Adolescent; D000328:Adult; D001938:Brazil; D002648:Child; D002675:Child, Preschool; D005260:Female; D005920:Glomerular Mesangium / Q000473:pathology; D005922:Glomerulonephritis, IGA / Q000453:epidemiology* / Q000473:pathology; D006801:Humans; D007668:Kidney / Q000473:pathology; D008297:Male; D008875:Middle Aged; D014505:Urban Population