1. Ureterocele: a clinical study of sixty-eight cases in fifty-two adults;Aas;Brit. J. Urol.,1960
2. Ureterocele: a study of 94 instances in 80 infants and children;Campbell;Surg., Gynec. & Obst.,1951
3. Anomalies of the ureter;Campbell,1970
4. The Lower Urinary Tract in Childhood;Kjellberg,1957
5. Paediatric Urology;Williams,1968