“…Cocaine dependence is a serious national health problem contributing to the spread of crime, violence, infectious diseases, and neonatal drug exposure (Bux, Lamb, & Iguchi, 1995; Chaisson et al, 1989; De La Rosa, Lambert, & Gropper, 1990; Kain, Kain, & Scarpelli, 1992). Although recreational cocaine use recently has decreased, regular use by some subgroups (e.g., inner-city minorities) has remained stable or increased (Harrison, 1992; National Institute on Drug Abuse, 1991).…”