News Headlines BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7051.186 (Published 27 July 1996) Cite this as: BMJ 1996;313:186 Article Related content Metrics Responses Peer review Related articles Editor's Choice Editor's choice Published: 27 July 1996; BMJ 313 doi:10.1136/bmj.313.7051.0