RT Journal Article SR Electronic T1 Nuclear family JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 416 OP 416 DO 10.1136/adc.87.5.416 VO 87 IS 5 A1 I D Wacogne YR 2002 UL http://adc.bmj.com/content/87/5/416.abstract AB