Effect of Ginkgo biloba on blood pressure and incidence of hypertension in elderly men and women.
Brinkley TE, Lovato JF, Arnold AM, Furberg CD, Kuller LH, Burke GL, Nahin RL, Lopez OL, Yasar S, Williamson JD, et al. Am J Hypertens. 2010 May; 23(5):528-33. Epub 2010 Feb 18.