RT Journal Article SR Electronic T1 When to do a lumbar puncture JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 235 OP 237 DO 10.1136/adc.87.3.235 VO 87 IS 3 A1 F A I Riordan A1 A J Cant YR 2002 UL http://adc.bmj.com/content/87/3/235.abstract AB