Canna~Fangled Abstracts Low-Dose Cannabinoid Type 2 Receptor Agonist Attenuates Tolerance to Repeated Morphine Administration via Regulating μ-Opioid Receptor Expression in Walker 256 Tumor-Bearing Rats. 2015 Dec 30. Zhang M1, Wang K, Ma M, Tian S, Wei N, Wang G. Author information Abstract BACKGROUND: Morphine…Freedom WaresDecember 30, 2015
