Medical Practice Personal View Br Med J 1976; 2 doi: https://doi.org/10.1136/bmj.2.6047.1318 (Published 27 November 1976) Cite this as: Br Med J 1976;2:1318 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 04 December 1965; Br Med J 2 doi:10.1136/bmj.2.5474.1355