Tunda Suttitum. (1997) Neuro-immunological changes in the function of T-lymphocytes in heroin addicts. Mahidol University,:ม.ป.ท.Tunda Suttitum. 1997. Neuro-immunological changes in the function of T-lymphocytes in heroin addicts. ม.ป.ท.:Mahidol University,;Tunda Suttitum. Neuro-immunological changes in the function of T-lymphocytes in heroin addicts. ม.ป.ท.:Mahidol University, 1997. Print.