birch polypore inhabits (PA) paented in 2005 as a gallbladder treeeatment ,https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4694269/#
F. betulina is under preliminary research for its potential Polyporenic acid found in the fruit body of the fungus. (PA) basis of studies s fund in chaga and birch polypore ,kniv kjuke i norge. this is