Zarkin GA, Cowell AJ, Hicks KA, Mills MJ, Belenko S, Dunlap LJ, Keyes V. Lifetime benefits and costs of diverting substance-abusing offenders from state prison. Crime Delinq. 2015 Aug;61(6):829-50. doi: 10.1177/0011128712461904
Williams RE, Bosnic N, Sweeney CT, Duncan AW, Levine KB, Brogan M, Cook SF. Prevalence of opioid dispensings and concurrent gastrointestinal medications in Quebec. Pain Res Manag. 2008;13(5):395-400.