Health Remedies
Birch Sap. 'The collected sap can be drunk as a tonic and it is a traditional beverage in Russia, Latvia, Estonia, Finland, Lithuania, Belarus, Poland, Ukraine and elsewhere in Northern Europe as well as parts of northern China.' http://www.lonelyplanet.com/russia
Source : http://www.cybis.se/craft/birch/tappninge.htm
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