Caffeine, stress and tremorLangford, N. J.Hayes, N. R.Lakie, M.Ferner, R. E.Author information1Department of Clinical Pharmacology, Birmingham B18 2TT, UK2Department of Sports and Exercise Sciences Medicine University of Birmingham, Birmingham B18 2TT, UKBritish Journal of Clinical Pharmacology 59(5):p 624-625, May 2005.Copyright © 2005 Blackwell Publishing Ltd.