Research Article
Functional diseases.
Br Med J (Clin Res Ed) 1982; 285 doi: https://doi.org/10.1136/bmj.285.6357.1768 (Published 18 December 1982) Cite this as: Br Med J (Clin Res Ed) 1982;285:1768This is a PDF-only article. The first page of the PDF of this article appears above.