The Intrinsic factor reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Intrinsic factor

For people who check facts
Intrinsic factor is a glycoprotein produced by the parietal cells of the stomach. It is necessary for the absorption of vitamin B12. Problems with intrinsic factor function can cause pernicious anaemia.

This article is a stub. You can help Wikipedia by expanding it.