1. Ureterocele; study of 94 instances in 80 infants and children.;Campbell;Surgery Gynecology and Obstertrics,1951a
2. Ectopic ureterocele in infants and children; clinical study.;Ericsson;Acta chirurgica,1954
3. Experiences with ectopic ureteroceles.;Johnston;British Journal of Urology,1969