title: Rational use of diagnostic imaging in paediatrics. Report of a WHO Study Group.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003952:Diagnostic Imaging; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010372:Pediatrics