Ginkgo biloba for preventing cognitive decline in older adults: a randomized trial.
Snitz BE, O'Meara ES, Carlson MC, Arnold AM, Ives DG, Rapp SR, Saxton J, Lopez OL, Dunn LO, Sink KM, DeKosky ST; Ginkgo Evaluation of Memory (GEM) Study Investigators.
Snitz BE, et al.
JAMA. 2009 Dec 23;302(24):2663-70. doi: 10.1001/jama.2009.1913.
JAMA. 2009.
PMID: 20040554
Free PMC article.
Clinical Trial.