title: [Prevalence of urinary system diseases and the principle of stages in the treatment of nephropathy in children].
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007674:Kidney Diseases / Q000453:epidemiology / Q000628:therapy*; D014586:USSR; D014570:Urologic Diseases / Q000453:epidemiology*
vernacular_title: O rasprostranennosti zabolevaniĭ mochevoĭ sistemy i printsipy étapnosti pri lechenii nefropatii u deteĭ