Prof. CHEUNG Yuet-WahErickson, Patricia G.Patricia G.Erickson2018-04-242018-04-241994In Erickson, P. G.... [et al.] (1994). The steel drug: Cocaine and crack in perspective (pp. 231-237) (2nd ed.). New York: Lexington Books.0029096456http://hdl.handle.net/20.500.11861/5086enBook Chapter