title: Electron microscope studies of mesangial proliferative glomerulonephritis.
mesh_terms: D002675:Child, Preschool; D005260:Female; D005921:Glomerulonephritis / Q000209:etiology / Q000473:pathology*; D006801:Humans; D007678:Kidney Glomerulus / Q000648:ultrastructure*; D008297:Male