RT Journal Article SR Electronic T1 Proceedings: Health and welfare of London schoolchildren. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 819 OP 819 DO 10.1136/adc.49.10.819-c VO 49 IS 10 A1 Bax, M C A1 Whitmore, T K YR 1974 UL http://adc.bmj.com/content/49/10/819.4.abstract AB