Norberg A.; Norberg B.; Parkhede U.; Gippert H.; Ekman R. The Effect of Short-Term High-Dose Treatment With Methenamine Hippurate of Urinary Infection in Geriatric Patients With Indwelling Catheters: II. Evaluation by Means of a Quantified Urine Sediment. ujms 1979, 84, 75-82.