RT Journal Article SR Electronic T1 THE ROOTS OF INDIVIDUALITY JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 641 OP 641 DO 10.1136/jnnp.32.6.641 VO 32 IS 6 A1 T. T. S. Ingram YR 1969 UL http://jnnp.bmj.com/content/32/6/641.1.abstract AB