Medical Practice Insider medicine Br Med J (Clin Res Ed) 1987; 294 doi: https://doi.org/10.1136/bmj.294.6572.636 (Published 07 March 1987) Cite this as: Br Med J (Clin Res Ed) 1987;294:636 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Cold feet BMJ September 05, 2016, 354 i4584; DOI: https://doi.org/10.1136/bmj.i4584 Delirium and agitation at the end of life BMJ June 09, 2016, 353 i3085; DOI: https://doi.org/10.1136/bmj.i3085 Few people seek addiction treatment after Bihar introduces alcohol ban BMJ April 12, 2016, 353 i2119; DOI: https://doi.org/10.1136/bmj.i2119 Excessive noise in intensive care units BMJ April 08, 2016, 353 i1956; DOI: https://doi.org/10.1136/bmj.i1956 Preventing falls in hospitals BMJ January 26, 2016, 352 i251; DOI: https://doi.org/10.1136/bmj.i251