RT Journal Article SR Electronic T1 Radiological sign of a long line in the ascending lumbar vein JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 982 OP 982 DO 10.1136/adc.2005.072595 VO 90 IS 9 A1 B C Schoonakker A1 D Harding YR 2005 UL http://adc.bmj.com/content/90/9/982.1.abstract AB