Letters The two study groups may not be comparable BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.6996.56a (Published 01 July 1995) Cite this as: BMJ 1995;311:56 Article Related content Metrics Responses Peer review Related articles Paper Antidepressants and suicide Published: 28 January 1995; BMJ 310 doi:10.1136/bmj.310.6974.215 See more Maternal deaths from suicide must be tackled, say experts BMJ December 07, 2016, 355 i6585; DOI: https://doi.org/10.1136/bmj.i6585 Dyspnoea after home improvement work BMJ November 30, 2016, 355 i5957; DOI: https://doi.org/10.1136/bmj.i5957 Risks of duloxetine for stress incontinence outweigh benefits, say researchers BMJ November 15, 2016, 355 i6103; DOI: https://doi.org/10.1136/bmj.i6103 Health professionals’ stereotyping is impeding suicide prevention efforts BMJ November 11, 2016, 355 i6072; DOI: https://doi.org/10.1136/bmj.i6072 Action is urged to improve physical health in severe mental illness BMJ October 25, 2016, 355 i5729; DOI: https://doi.org/10.1136/bmj.i5729