RT Journal Article SR Electronic T1 Getting to the bones of the matter 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 178 OP 182 DO 10.1136/adc.2009.169961 VO 95 IS 6 A1 Gray, Paul E A A1 McMullan, Brendan A1 Ziegler, John B YR 2010 UL http://ep.bmj.com/content/95/6/178.abstract AB