Norberg , Bo, Astrid Norberg, Sven-Olov Odelhög, Ulf Parkhede, and Hans Gippert. “The Bacteriuria in Long-Stay Geriatric Inpatients With an Indwelling Catheter: A Copper-Coated Urinary Catheter”. Upsala Journal of Medical Sciences 87, no. 2 (June 1, 1982): 179-187. Accessed April 9, 2026. https://ujms.net/index.php/ujms/article/view/7083.