RT Journal Article SR Electronic T1 Assessment for Learning in the Mentally Handicapped 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.49.5.416 VO 49 IS 5 YR 1974 UL http://adc.bmj.com/content/49/5/416.1.abstract AB