1. Recurrent polypoid hamartoma and epithelial cell nests in the ureter and renal pelvis of an adolescent;Auerbach;J. Urol. (Baltimore),1966
2. Inverted papilloma of the bladder;Assor;J. Urol. (Baltimore),1970
3. Concerning gland like structures in the mucous membrane of the human renal pelvis, ureter and bladder. (Ger.);Von Brunn;Arch. mikr. Anat,1893
4. A unique case of submucosal epithelial nests in the ureter and renal pelvis;Everett;J. Urol. (Baltimore),1946
5. Proliferative tumours of the ureter and renal pelvis with further observations of the significance of ‘Epithelial cell nests’;Fagerstrom;J. Urol. (Baltimore),1948