Influence from genetic variability on opioid use for cancer pain: a European genetic association study of 2294 cancer pain patients

Fladvad T, Fayers P, Strasser F, Sigurdardottir V, Sabatowski R, Dardbruch L, Maltoni M, Lundström S, Kloke M, Davies A, Dale O, Caraceni A, Bjordal K, Skorpen F, Kaasa S. Influence from genetic variability on opioid use for cancer pain: a European genetic association study of 2294 cancer pain patients. Pain 2012; 152:1139-45.