RT Journal Article SR Electronic T1 How often should we screen children with Down’s syndrome for hypothyroidism? JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 557 OP 558 DO 10.1136/adc.2004.065607 VO 90 IS 6 A1 Van Vliet, G YR 2005 UL http://adc.bmj.com/content/90/6/557.abstract AB