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1 g gel contains: 100 mg extract (as dry extract, refined) from birch bark from betula pendula, betula pubescens as well as hybrids of both species (equivalent to 0.5-1.0 g birch bark), corresponding to 72-88 mg betulin.
1 g gel bevat: 100 mg berkenschorsextract (als droog extract, geraffineerd) van betula pendula roth, betula pubescens ehrh alsook hybriden van beide soorten (overeenkomend met 0,5-1,0 g berkenschors), overeenkomend met 72-88 mg betuline.