Slanar, O; Nobilis, M; Kvetina, J; Mikoviny, R; Zima, T; Idle, J R; Perlík, F (2006). Miotic action of tramadol is determined by CYP2D6 genotype. Physiological research, 56(1), pp. 129-136. Praha: Academia Scientiarum Bohemoslovaca
