Webster LR, Cochella S, Daigupta ND, et al: An analysis of the root causes for opioid-re-lated overdose deaths in the United States. Pain Med 12 (2 Suppl) : S26-S35, 2011
Webster LR, Fine PG : Overdose deaths de-mand a new paradigm for opioid rotation. Pain Med 13571-574, 2012
Webster LR, Fine PG:Review and critique of opioid rotation practices and associated risk of toxicity. Pain Med 13 : 562-570, 2012