RT Journal Article SR Electronic T1 Research to Practice in Mental Retardation Volume I—Care and Intervention JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 192 OP 192 DO 10.1136/jnnp.41.2.192-b VO 41 IS 2 A1 Ronald Macgillivray YR 1978 UL http://jnnp.bmj.com/content/41/2/192.3.abstract AB