TY - JOUR T1 - The Year Book of Psychiatry and Applied Mental Health JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 192 LP - 192 DO - 10.1136/jnnp.43.2.192 VL - 43 IS - 2 AU - J L Gibbons Y1 - 1980/02/01 UR - http://jnnp.bmj.com/content/43/2/192.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -