Dalefield, Rosalind R A 28-day oral toxicity study of echimidine and lasiocarpine in Wistar rats. [electronic resource] - Regulatory toxicology and pharmacology : RTP Nov 2016 - 146-154 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1096-0295 Standard No.: 10.1016/j.yrtph.2016.08.006 doi Subjects--Topical Terms: Administration, OralAnimalsDose-Response Relationship, DrugFemaleHoney--toxicityMaleNo-Observed-Adverse-Effect LevelPyrrolizidine Alkaloids--administration & dosageRats, WistarRisk AssessmentSex FactorsTime FactorsToxicity Tests, Subchronic--methodsWeight Gain--drug effects