Evidence-Based Medicine. 7(1):24, JANUARY 2002 Issn Print: 1356-5524 Publication Date: January 2002 Print Review: cannabinoids and codeine have similar effects on pain relief, but cannabinoids commonly cause psychotropic adverse effects Barry Kinzbrunner; + Author Information Vitas Healthcare Corporation, Miami, Florida, USACampbell FA, Tramér MR, Carroll D, et al. Are cannabinoids an effective and safe treatment option in the management of pain? A qualitative systematic review. BMJ 2001 Jul 7;323:13–6. Checking for direct PDF access through Ovid Abstract Abstract unavailable for this article.