ArticleThe Journal of pharmacology and experimental therapeutics2026
Expression of concern: "Spinal Ceramide Modulates the Development of Morphine Antinociceptive Tolerance via Peroxynitrite-Mediated Nitroxidative Stress and Neuroimmune Activation" [J Pharmacol. Exp. Ther. 2009; 329: 64-75] by Ndengele M, Cuzzocrea S, Masini E, et al.
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