What is chronic pyelonephritis?
D000328:Adult; D000368:Aged; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D006977:Hypertension, Renal / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D007668:Kidney / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011704:Pyelonephritis / Q000175:diagnosis* / Q000473:pathology; D014552:Urinary Tract Infections / Q000150:complications; D014718:Vesico-Ureteral Reflux / Q000150:complications