TY - JOUR T1 - YEAR BOOK OF PSYCHIATRY AND APPLIED MENTAL HEALTH 1975 JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 1142 LP - 1142 DO - 10.1136/jnnp.39.11.1142-a VL - 39 IS - 11 AU - J. L. Gibbons Y1 - 1976/11/01 UR - http://jnnp.bmj.com/content/39/11/1142.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -