Norberg , Bo, Astrid Norberg, Ulf Parkhede, Hans Gippert, and Måns Åkerman. “The Effect of Short-Term High-Dose Treatment With Methenamine Hippurate of Urinary Infection in Geriatric Patients With Indwelling Catheters: I. The Preparation and Morphology of a Quantified Urine Sediment”. Upsala Journal of Medical Sciences 84, no. 1 (March 1, 1979): 67-74. Accessed April 5, 2026. https://ujms.net/index.php/ujms/article/view/7225.