Fiebich, B. L., Grozdeva, M., Hess, S., Hull, M., Danesch, U., Bodensieck, A., and Bauer, R. Petasites hybridus extracts in vitro inhibit COX-2 and PGE2 release by direct interaction with the enzyme and by preventing p42/44 MAP kinase activation in rat primary microglial cells. Planta Med 2005;71(1):12-19.
View abstract.