RT Journal Article SR Electronic T1 Bedside ultrasound improves the success rate of lumbar puncture in infants 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 111 OP 112 DO 10.1136/archdischild-2017-313296 VO 103 IS 2 A1 Rebecca A Dalrymple YR 2018 UL http://ep.bmj.com/content/103/2/111.abstract AB