Topcu, I., F. Oguz, I. Gecit, F. Sancaktar, and A. Nur Akatli. “Intracavitary Lesion Caused by Bladder Wall Stone and Mimicking Bladder Tumor”. Annals of Medical Research, vol. 26, no. 11, May 2021, pp. 2715-8, http://www.annalsmedres.org/index.php/aomr/article/view/1822.