Proof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract Sceletium tortuosum (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer's Dementia.

Evid Based Complement Alternat Med · 2014 · PMC4217361 · PMID 25389443

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

failed to reach statistical significanceno p-value reported

In view of the substantial variation, the difference failed to reach statistical significance.

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