Tipa Toskulkao. (2000) Gene expression of opioid receptors and G-protein subunits in T lymphocytes of heroin users. Mahidol University,:ม.ป.ท.Tipa Toskulkao. 2000. Gene expression of opioid receptors and G-protein subunits in T lymphocytes of heroin users. ม.ป.ท.:Mahidol University,;Tipa Toskulkao. Gene expression of opioid receptors and G-protein subunits in T lymphocytes of heroin users. ม.ป.ท.:Mahidol University, 2000. Print.