Norberg B.; Norberg A.; Parkhede U.; Gippert H.; Ã…kerman M. 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, v. 84, n. 1, p. 67-74, 1 Mar. 1979.