Ludwig, D. J., Buddingh, K. T., Kums, J. J., Kropman, R. F., Roshani, H. and Hirdes, W. H. (2015) “Treatment and outcome of fibroepithelial ureteral polyps: A systematic literature review”, Canadian Urological Association Journal, 9(9-10), pp. E631–7. doi: 10.5489/cuaj.2878.