RT Journal Article SR Electronic T1 Twelve-year-old boy presenting with recurrent abdominal pain and 25 urinary calculi 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 37 OP 45 DO 10.1136/archdischild-2018-315073 VO 105 IS 1 A1 Mario Diplomatico A1 Pierluigi Marzuillo A1 Daniela Capalbo A1 Michela Stanco A1 Rosaria Marotta A1 Stefano Guarino YR 2020 UL http://ep.bmj.com/content/105/1/37.abstract AB