RT Journal Article SR Electronic T1 Sock-line hyperpigmentation in infancy JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 532 OP 532 DO 10.1136/archdischild-2014-307591 VO 100 IS 6 A1 Karina Forde A1 Mary Glover YR 2015 UL http://adc.bmj.com/content/100/6/532.abstract AB