[Results of epidemiological study of kidney diseases].
D000293:Adolescent; D005921:Glomerulonephritis / Q000453:epidemiology*; D006801:Humans; D007844:Latvia; D011704:Pyelonephritis / Q000453:epidemiology*
O rezul'tatakh epidemiologicheskogo izucheniia zabolevaniĭ pochek