García-Nieto, V Standards for ultrasound guidance of suprapubic bladder aspiration. [electronic resource] - Pediatric nephrology (Berlin, Germany) Oct 1997 - 607-9 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 0931-041X Standard No.: 10.1007/s004670050347 doi Subjects--Topical Terms: FemaleHumansInfantMaleProspective StudiesUltrasonographyUrinary Bladder--diagnostic imagingUrinary Tract Infections--diagnostic imaging