METHYLPHENIDATE (RITALIN) 
.... can be an abusive drug when self-administered by intravenous injection; oral administration is expected to be less reinforcing (
Gatley et al., 1996). ....
(1929
8
)
Metamphetamine as an Addictive Drug
.... Volkow, Chang, Wang, Fowler, Franceschi, Sedler,
Gatley, Hitzmann, Ding, Wong, and Logan .... metamphetamine abusers and a control group, Volkow,
et al (2001) used ....
(1704
7
)
Metamphetamine as a Pathological Problem
.... Volkow, Chang, Wang, Fowler, Franceschi, Sedler,
Gatley, Hitzmann, Ding, Wong, and Logan .... metamphetamine abusers and a control group, Volkow,
et al (2001) used ....
(1704
7
)
