Lin, Chun-Kuang Betulinic acid exerts anti-hepatitis C virus activity via the suppression of NF-κB- and MAPK-ERK1/2-mediated COX-2 expression. [electronic resource] - British journal of pharmacology Sep 2015 - 4481-4492 p. digital Publication Type: Journal Article ISSN: 1476-5381 Standard No.: 10.1111/bph.13233 doi