RT Journal Article SR Electronic T1 DEPRESSION: THEORY AND RESEARCH JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 520 OP 520 DO 10.1136/jnnp.38.5.520-a VO 38 IS 5 A1 Mckechnie, Ronald J. YR 1975 UL http://jnnp.bmj.com/content/38/5/520.2.abstract AB