Columbia subject headings:
Children--Surgery.
Pediatric radiography.
Pediatric urology--Diagnosis.
Postoperative care.
Urinary organs--Radiography.
Urinary organs--Surgery.
Harvard subject headings:
Children--Surgery
Pediatric radiography.
Pediatric urology--Diagnosis.
Postoperative care.
Urinary organs--Radiography
Urinary organs--Surgery
Princeton subject headings: