title: Positive inotropic effect of helenalin, a sesquiterpene lactone, on guinea-pig myocardium.
mesh_terms: D000818:Animals; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D012717:Sesquiterpenes / Q000494:pharmacology*; D045789:Sesquiterpenes, Guaiane
chemical_list: D012717:Sesquiterpenes; D045789:Sesquiterpenes, Guaiane; C001329:helenalin