Molyneux, R J Extraordinary levels of production of pyrrolizidine alkaloids in Senecio riddellii. [electronic resource] - Journal of natural products - 1030-2 p. digital Publication Type: Journal Article ISSN: 0163-3864 Standard No.: 10.1021/np50036a024 doi Subjects--Topical Terms: AnimalsCattleHorsesLiver Cirrhosis--veterinaryOklahomaPlants, ToxicPyrrolizidine Alkaloids--adverse effectsSenecio--analysis