Research Article

Problems of persistent and occult bleeding from the gastrointestinal tract.

Br Med J 1968; 1 doi: https://doi.org/10.1136/bmj.1.5584.101 (Published 13 January 1968) Cite this as: Br Med J 1968;1:101

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview