Efficacy, safety, and tolerability of sublingual fentanyl orally disintegrating tablet in the treatment of breakthrough cancer pain: a randomized, double-blind, placebo-controlled study. - Hashemi, Masoud; Zali, Alireza; Golmakani, Ebrahim; Delshad, Mohammad Hossein; Shadnoush, Mahdi; Akbari, Mohammad-Esmaeil (DARU: Journal of Pharmaceutical Sciences, 2021)