RT Journal Article SR Electronic T1 Response to letter regarding: ‘A source of tension’ 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-2018-314941 DO 10.1136/archdischild-2018-314941 A1 Helen Williams YR 2018 UL http://ep.bmj.com/content/early/2018/03/01/archdischild-2018-314941.abstract AB