A Randomized Placebo-Controlled Trial of Ginkgo Biloba for the Prevention of Cognitive Decline
Neurol 70:1807-1817,1730, Dodge,H.H.,et al, 2008
The Efficacy of Ginkgo Biloba on Cognitive Function in Alzheimer Disease
Arch Neurol 55:1409-1415, Oken,B.S.,et al,, 1998