RT Journal Article SR Electronic T1 Unusual foreign body detected on routine dental radiograph JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 825 OP 825 DO 10.1136/adc.2004.067967 VO 90 IS 8 A1 L Pomarico A1 L G Primo A1 I P R de Souza YR 2005 UL http://adc.bmj.com/content/90/8/825.abstract AB