RT Journal Article SR Electronic T1 Should creatine kinase be checked in all boys presenting with speech delay? JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 647 OP 649 DO 10.1136/adc.2007.117028 VO 92 IS 7 A1 Claire T Lundy A1 Gary M Doherty A1 Elaine M Hicks YR 2007 UL http://adc.bmj.com/content/92/7/647.abstract AB