9[1]Dobie TG, May JG. Cognitive - behavioral management of motion sickness. Aviat Space Environ Med 1994;65 (Sup) :C1
10[2]Grontved A, Hentier E. Vertigo - reducing effect of ginger root: Acontrolled clinical study. J for Otorhinolaryngol and its related specialities 1986;48(5) :282