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A Double-Blind Randomized Placebo-Controlled Study Assessing the Safety, Tolerability and Efficacy of a Herbal Medicine Containing Pycnogenol Combined with Papain and Aloe vera in the Prevention and Management of Pre-Diabetes.
Vitetta L, Butcher B, Dal Forno S, Vitetta G, Nikov T, Hall S, Steels E. Vitetta L, et al. Among authors: vitetta g. Medicines (Basel). 2020 Apr 22;7(4):22. doi: 10.3390/medicines7040022. Medicines (Basel). 2020. PMID: 32331307 Free PMC article.