| http://www.w3.org/ns/prov#value | - A review published in 2003 examined numerous such studies, whose cumulative record is impressive.1 One study discussed in the paper was a randomized, double-blind, placebo-controlled crossover trial in which researchers tested ginseng???s effects on the subjects??? ability to perform various mental tasks, using the Cognitive Drug Research (CDR) computerized assessment battery.
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