References for "Painkillers fuel growth in drug addiction"
Blanco C, et al. "Changes in the Prevalence of Nonmedical Prescription Drug Use and Drug Use Disorders in the United States: 1991–1992 and 2001–2002," Drug and Alcohol Dependence (Oct. 8, 2007): Vol. 90, No. 2–3, pp. 252–60. www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17513069
Brady KT, et al., eds. Women and Addiction: A Comprehensive Handbook (The Guilford Press, 2009).