Letters Personality disorder or recurrent brief depression? BMJ 1994; 308 doi: https://doi.org/10.1136/bmj.308.6930.720a (Published 12 March 1994) Cite this as: BMJ 1994;308:720 Article Related content Metrics Responses Peer review Related articles Views & Reviews Performance indices or patient care Published: 05 February 1994; BMJ 308 doi:10.1136/bmj.308.6925.420 See more Chronic insomnia: diagnosis and non-pharmacological management BMJ November 16, 2016, 355 i5819; DOI: https://doi.org/10.1136/bmj.i5819 Mental illness and terrorism BMJ September 13, 2016, 354 i4869; DOI: https://doi.org/10.1136/bmj.i4869 CBT may help people who self harm, Cochrane review shows BMJ May 13, 2016, 353 i2687; DOI: https://doi.org/10.1136/bmj.i2687 Screen all for depression BMJ March 29, 2016, 352 i1617; DOI: https://doi.org/10.1136/bmj.i1617 Ditching our simplistic systems for categorising mental health problems BMJ February 23, 2016, 352 i1044; DOI: https://doi.org/10.1136/bmj.i1044