Multiple cross mapping (MCM) markedly improves the localization of a QTL for ethanol-induced activation. by Hitzemann, R, Malmanger, B, Cooper, S, Coulombe, S, Reed, C, Demarest, K, Koyner, J, Cipp, L, Flint, J, Talbot, C, Rademacher, B, Buck, K, McCaughran, J