RT Journal Article SR Electronic T1 Low back pain: do not forget the sacroiliac joint! JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 899 OP 899 DO 10.1136/adc.2009.160143 VO 94 IS 11 A1 N Brown A1 M S Thyagarajan A1 K Johnson A1 A V Ramanan YR 2009 UL http://adc.bmj.com/content/94/11/899.abstract AB