1. Hyperplastic changes of the urothelium. Incidence of von Brunn's cell nests, cystis cystica and glandular cystitis in an autopsy material.;Andersen;Ugeskr. Laeg.,1972
2. Classification of bladder tumours based on the cellular pattern.;Bergkvist;Acta Chir. Scand.,1965
3. A restudy of the first fourteen hundred tumors in the bladder tumor registry, Armed Forces Institute of Pathology.;Dean;J. Urol. (Baltimore),1954
4. Grading of transitional cell neoplasms of the urinary bladder from smears of bladder washings.;Esposti;Acta Cytol.,1972
5. Histological grading of urinary bladder tumours.;Fahmy;Urol. Int.,1963