title: Diagnosis of button battery ingestion by 'halo' radiographic sign: an exception to the rule.
authors.affiliation: Department of Paediatric Surgery, Nottingham University Hospitals NHS Trust-Queen's Medical Centre, Nottingham, UK.
authors.forename: Richard W C
authors.identifier: http://orcid.org/0000-0002-9383-0374
authors.initials: RW
authors.lastname: Gan
authors.affiliation: Department of Paediatric Surgery, Nottingham University Hospitals NHS Trust-Queen's Medical Centre, Nottingham, UK.
authors.forename: Omar
authors.initials: O
authors.lastname: Nasher
authors.affiliation: Department of Paediatric Surgery, Nottingham University Hospitals NHS Trust-Queen's Medical Centre, Nottingham, UK.
authors.forename: Paul B
authors.initials: PB
authors.lastname: Jackson
authors.affiliation: Department of Paediatric Surgery, Nottingham University Hospitals NHS Trust-Queen's Medical Centre, Nottingham, UK.
authors.forename: Shailinder J
authors.initials: SJ
authors.lastname: Singh
mesh_terms: D002675:Child, Preschool; D004435:Eating; D011211:Electric Power Supplies; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging*; D005260:Female; D005547:Foreign Bodies / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D009717:Numismatics; D011859:Radiography