stand and de-liver, page-4

Here is a journal publication on Birch Bark Extract from, interstingly enough, the Russian Academy of Medical Sciences published by:

O. A. Rapp1, V. G. Pashinskii (1) and V. S. Chuchalin (2)

(1) Research Institute of Pharmacology, Tomsk Scientific Center, Russian Academy of Medical Sciences, Tomsk, Russia
(2) Siberian State Medical University, Tomsk, Russia

It's on a stufy re - the spleen, thymus and adrenal gland.

http://www.springerlink.com/content/2w7w614714g11028/

One other:

A. Z. Abyshev1 , É. M. Agaev1 and A. B. Guseinov1

(1) St. Petersburg Science Research Institute Vaccines and Sera, Russia

A. Z. Abyshev1 , É. M. Agaev1 and A. B. Guseinov1

(1) St. Petersburg Science Research Institute Vaccines and Sera, Russia

I also believe it to be listed in a number of Pharmacopeias around the world.