title: [Problems of the pathogenesis of chronic pyelonephritis].
mesh_terms: D002908:Chronic Disease; D006801:Humans; D011704:Pyelonephritis / Q000209:etiology*; D014718:Vesico-Ureteral Reflux / Q000150:complications
vernacular_title: Vurkhu niakoi vuprosi na patogenezata na khronichnite pielonefriti.