RT Journal Article SR Electronic T1 The First Arch Syndrome JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 477 OP 486 DO 10.1136/adc.33.171.477 VO 33 IS 171 A1 McKenzie, J. YR 1958 UL http://adc.bmj.com/content/33/171/477.abstract AB