RT Journal Article SR Electronic T1 Answers to Epilogue questions 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 166 OP 167 DO 10.1136/archdischild-2015-308936a VO 101 IS 3 A1 Katherine Jane Pettinger A1 David Crabbe YR 2016 UL http://ep.bmj.com/content/101/3/166.abstract AB