Reflux as a cause of hydronephrosis and chronic pyelonephritis.
D002908:Chronic Disease; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology*; D011704:Pyelonephritis / Q000209:etiology*; D001745:Urinary Bladder Diseases
BLADDER/diseases; HYDRONEPHROSIS/etiology; PYELONEPHRITIS/etiology