Nielsen, BPharm, BPharmSc (Hons), PhD, Suzanne, Jacqui Cameron, BA, BSW, MPhil (Social Science Research), and Nicole Lee, BSc (Hons), GradCertEd (Tertiary), PhD, MAPS. “Characteristics of a Nontreatment-Seeking Sample of over-the-Counter Codeine Users: Implications for Intervention and Prevention”. Journal of Opioid Management 7, no. 5 (September 1, 2011): 363–370. Accessed May 5, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/799.