O'Callagham, Christopher. Paediatric radiology / Christopher O'Callagham. - London : Wolfe Medical Pub. , 1989. - 189 p. : ill. - Self assessment in radiology & imaging ; 6. . Subjects--Topical Terms: Radiology --in infancy & childhood------ National Library of Medicine Call No.: WN 240 / Oc1p 1989