Catheters, bacteriuria and pyelonephritis.
D001437:Bacteriuria / Q000209:etiology*; D006801:Humans; D009395:Nephritis, Interstitial / Q000209:etiology*; D011704:Pyelonephritis / Q000209:etiology*; D014546:Urinary Catheterization / Q000009:adverse effects*