Research Article
The aetiology of mental handicap.
Br Med J (Clin Res Ed) 1981; 282 doi: https://doi.org/10.1136/bmj.282.6258.92 (Published 10 January 1981) Cite this as: Br Med J (Clin Res Ed) 1981;282:92This is a PDF-only article. The first page of the PDF of this article appears above.