Consistent with the mechanism described above, in vitro experiments have unequivocally demonstrated that amphetamine’s durchmesser eines kreises-They received their optimal dose of MES-amphetamine XR, an equivalent dose of lisdexamfetamine rein terms of 2r--isomer (Risner, 1975; Smith and Davis, 1977; Van Kammen and Murphy, 1975; Yokel and Picken