1. De Castro, F. J., Schumacher, H.: Asymptomatic thoracic kidney. Clin. Pediatr. (Phila.)8, 279 (1969)
2. Essbach, H.: Paedopathologie. Leipzig: VEB G. Thieme 1961
3. Gruner, M., Bruezière, J.: L'ectopie rénale chez l'enfant. A propos de 25 observations. Ann. Chir. Infantile12, 113 (1971)
4. Malek, R. S., Kelalis, P. R., Burke, E. C.: Ectopic kidney in children and frequency of association with other malformations. Mayo Clin. Proc.46, 461 (1971)
5. Mininberg, D. T., Roze, S., Yoon, H. J., Pearl, M.: Hypertension associated with crossed renal ectopia in an infant. Pediatrics48, 454 (1971)