Groentved A, Brask T, Kampskard J and Hentzer E. Ginger root agaisnt seasickness. Acta Otolaryngol, 105: 45-49, 1988.
Mowrey DB and Clayson DE. Motion sickness, ginger ann psychophysics. The Lancet, 655, 1982.
Stewart JJ, Wood MJ, Wood CD and Mims ME. Effects of ginger on motion sickness susceptibility and gastric function. Pharm 42: 111-120, 1991.