RT Journal Article SR Electronic T1 An unusual cause of chest pain in a teenage girl JF Archives of disease in childhood - Education & practice edition JO Arch Dis Child Educ Pract Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP edpract-2016-312557 DO 10.1136/archdischild-2016-312557 A1 Ben McNaughten A1 Andrew Thompson A1 Dara O'Donoghue YR 2017 UL http://ep.bmj.com/content/early/2017/03/16/archdischild-2016-312557.abstract AB