Analgesic tolerance induced by repeated morphine injections induces cross-tolerance to the analgesic effect of orexin-A in rats Azhdari-Zarmehri, Hassan; Ghasemi, Elmira; Heidari-Oranjaghi, Nima; More Azhdari-Zarmehri, Hassan; Ghasemi, Elmira; Heidari-Oranjaghi, Nima; Sadegh, Mehdi Less NeuroReport. 29(3):224-228, February 7, 2018. Abstract Abstract Favorite PDF Permissions Buy