Phytochemical investigation of Verbesina turbacensis Kunth: trypanosome cysteine protease inhibition by (-)-bornyl esters.
Ogungbe IV, Crouch RA, Haber WA, Setzer WN. Phytochemical investigation of Verbesina turbacensis Kunth: trypanosome cysteine protease inhibition by (-)-bornyl esters. Nat Prod Commun. 2010 Aug; 5(8):1161-6.