Bochor, N., Doherty, R., Quigley, C., & Boran, G. (2018). Prevalence of Non-Prescribed Drug Use in Hospital Patients Assessed by Urine Toxicology Testing. Trinity Student Medical Journal , 19(1), Page 48–51. Retrieved from https://ojs.tchpc.tcd.ie/index.php/tsmj/article/view/1600