Citation: Wc. Ko et al., Mechanisms of relaxant action of S-petasin and S-isopetasin, sesquiterpenes of Petasites formosanus, in isolated guinea pig trachea, PLANTA MED, 67(3), 2001, pp. 224-229
Citation: Wc. Ko et al., Relaxant effects of petasins in isolated guinea pig trachea and their structure-activity relationships, PLANTA MED, 66(7), 2000, pp. 650-652