Ulbricht, Catherine An evidence-based systematic review of kratom (Mitragyna speciosa) by the Natural Standard Research Collaboration. [electronic resource] - Journal of dietary supplements Jun 2013 - 152-70 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1939-022X Standard No.: 10.3109/19390211.2013.793541 doi Subjects--Topical Terms: Analgesics--adverse effectsAnimalsAntitussive Agents--adverse effectsDietary Supplements--adverse effectsEthnopharmacologyEvidence-Based MedicineHerb-Drug InteractionsHumansMitragyna--adverse effectsPlant Extracts--adverse effectsPlant Leaves--adverse effectsPsychotropic Drugs--adverse effectsSecologanin Tryptamine Alkaloids--analysis