Authors: Payne, R Coluzzi, P Hart, L Simmonds, M Lyss, A Rauck, R Berris, R Busch, MA Nordbrook, E Loseth, DB Portenoy, RK

Citation: R. Payne et al., Long-term safety of oral transmucosal fentanyl citrate for breakthrough cancer pain, J PAIN SYMP, 22(1), 2001, pp. 575-583