[1] The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

[2] http://www.merck.com/mmhe/sec06/ch080/ch080b.html
 
[3] ibid
 
[4] Vital and Health Statistics, The National Ambulatory Medical Care Survey, 1991 Summary, National Health Survey, Series 13, No. 116, DHHS Publication No. (PHS) 94-1777, May 1994, p. 21. See Table R.
 
[5] National Strategic Research Plan -- 1991, 1992, 1993, National Institute on Deafness and Other Communication Disorders, U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health, NIH Publication No. 95-3711, pp. 159-160.
 
[6] See Froehling, D.A., Silverstein, M.D., Mohr, D.N., Beatty, C.W., Offord, K.P., and Ballard, D.J. "Benign Positional Vertigo: Incidence and Prognosis in a Population-Based Study in Olmsted County, Minnesota." Mayo Clinic Proceedings, 66(6):596-601, 1991.
 
[7] National Strategic Research Plan 1991, 1992, 1993, National Institute on Deafness and Other Communication Disorders, U.S. Department of Health and Human Services, Public Health Service, NIH Publication No. 95-3711, p. 159.
 
[8] http://www.merck.com/mmhe/sec06/ch080/ch080b.html
 
[9] Leung A: Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics.  John Wiley & Sons, New York, 1980, pp 184-186
 
[10] Mowery D and Clayson D: Motion sickness, ginger, and psychophysics. Lancet, 655-657, 1982
 
[11] Grontved A, Hentzer E. Vertigo-reducing effect of ginger root. A controlled clinical study. Orl J Otorhinolaryngol Relat Spec 1986;48:282-6.
 
[12] Stewart JJ, et al.: Effects of ginger on motion sickness susceptibility and gastric function. Pharmacology 42, 111-120, 1991
 
[13] Grontved A and Hentzer E: Vertigo-reducing effects of ginger root. OTO Rhinolaryngology 48, 282-286, 1986
 
[14] Murray, Micheal T, The Healing Power of Herbs: P 145, Prima publishing 2nd Edition © 1995
 
[15]  Diamond BJ, Shiflett SC, Feiwel N, et al. Ginkgo biloba extract: mechanisms and clinical indications. Arch Phys Med Rehabil 2000;81:668-78.

[16] Cesarani A, Meloni F, Alpini D, et al. Ginkgo biloba (EGb 761) in the treatment of equilibrium disorders. Adv Ther 1998;15:291-304
 
[17] Haguenauer JP, Cantenot F, Koskas H, Pierart H. [Treatment of equilibrium disorders with Ginkgo biloba extract. A multicenter, double-blind drug vs. placebo study]. [Article in French]. Presse Med 1986;15:1569-72.
 
[18] Cesarani A, Meloni F, Alpini D, et al. Ginkgo biloba (EGb 761) in the treatment of equilibrium disorders. Adv Ther 1998;15:291-304
 
[19] ibid
 
[20] Haguenauer JP, Cantenot F, Koskas H, Pierart H. [Treatment of equilibrium disorders with Ginkgo biloba extract. A multicenter, double-blind drug vs. placebo study]. [Article in French]. Presse Med 1986;15:1569-72.
 
[21]  V Sahakian, D Rouse, S Sipes, N Rose, and J Niebyl,Vitamin B6 is effective therapy for nausea and vomiting of pregnancy: a randomized, double-blind placebo-controlled study, Obstetrics & Gynecology 1991;78:33-36