1. Ginkgo biloba extract (EGb 761). Pharmacological activities and clinical applications,1991
2. Herbs commonly used by women: an evidence-based review;Tesch;Am J Obstet Gynecol,2003
3. Herb sales down 3% in mass market retail stores—sales in natural food stores still growing, but at lower rate;Blumenthal;Herbal Gram,2000
4. Rokan (Ginkgo biloba). Recent results in pharmacology and clinic,1988
5. Ginkgo biloba;Kleijnen;Lancet,1992