Endpoint study
#1: Ulbricht, Catherine., Basch, Ethan., Dacey, Cynthia., Dith, Sophanna., Hammerness, Paul., Hashmi, Sadaf., Seamon, Erica., Vora, Mamta., Weissner, Wendy. An Evidence-Based Systematic Review of Blessed Thistle (Cnicus benedictus) by the Natural Standard Research Collaboration. Journal of Dietary Supplements, 2008, vol. 5, no. 4, p. 422–437. DOI: 10.1080/19390210802519754.
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