Research Article
Prevalence of primary lactase deficiency in adult residents of west Birmingham.
British Medical Journal 1993; 306 doi: https://doi.org/10.1136/bmj.306.6888.1303 (Published 15 May 1993) Cite this as: British Medical Journal 1993;306:1303This is a PDF-only article. The first page of the PDF of this article appears above.