RT Journal Article SR Electronic T1 Set free childhood—coping with computers and TV JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 451 OP 451 VO 91 IS 5 A1 S Bowring YR 2006 UL http://adc.bmj.com/content/91/5/451.3.abstract AB