title: Renal ultrasonography. Its use in identifying the non-functioning kidney.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007668:Kidney / Q000002:abnormalities* / Q000503:physiopathology; D007674:Kidney Diseases / Q000175:diagnosis*; D008297:Male; D014463:Ultrasonography