RT Journal Article SR Electronic T1 Short but normal JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 370 OP 371 DO 10.1136/adc.81.4.370 VO 81 IS 4 A1 Linda D Voss YR 1999 UL http://adc.bmj.com/content/81/4/370.abstract AB