[An occult urinary infection as a cause of recurring backache].
D000293:Adolescent; D000328:Adult; D001416:Back Pain / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011704:Pyelonephritis / Q000150:complications / Q000175:diagnosis*; D012008:Recurrence
Skrytá urogenní infekce jako prícina recidivujících lumbalgií.