Nocheva, H., Encheva-Stoykova, E., Bogdanov, G., Tashev, R. and Nikolov, R. (2022) “The Endogenous Cannabinoid System and Nitric Oxide Interact in Modulation of Cold Stress-induced Analgesia”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 75(11), pp. 1672–1679. doi: 10.7546/CRABS.2022.11.15.