Tabakoff, B, Helander, A, Conigrave, KM, Martinez, L, Hoffman, PL, Whitfield, J, Degenhardt, LJ, Saunders, J, Baron, A & Glanz, J, 2001, 'WHO/ISBRA study on state and trait markers in alcoholism', Alcoholism - Clinical and Experimental Research, pp. 99 - 103