References
- 1. A. M. Beer, H. E. Junginger, J. Lukanov and P. Sagorchev, Evaluation of the permeation of peat substances through human skin in vitro, Int. J. Pharm.253 (2003) 169–175; https://doi.org/10.1016/S0378-5173(02)00706-8
- 2. C. E. J. van Rensburg, The antiinflammatory properties of humic substances: a mini review, Phytother. Res.29 (2015) 791–795; https://doi.org/10.1002/ptr.5319
- 3. R. Klocking, B. Helbig and P. Wutzler, Untersuchungen zur antiviralen Aktivität von polyanionischen Torfinhaltsstoffen in vitro und in vivo, Geburtsh. Frauenheilk.60 (2000) 192.
- 4. S. Codish, M. Abdu-Shakra, D. Flusser, M. Fringer and S. Sukenik, Mud compress therapy for the hands of patients with rheumatoid arthritis, Rheumatol. Int.25 (2005) 49–54; https://doi.org/10.1007/s00296-003-0402-4
- 5. A. M. Beer, J. Lukanov and P. Sagorchev, Isolation of biologically active fractions from the water soluble components of fulvic and ulmic acids from peat, Phytomedicine9 (2002) 653–666; https://doi.org/10.1078/094471102321616490
- 6. J. J. Gandy, J. R. Snyman and C. E. van Rensburg, Randomized, parallel-group, double-blind, controlled study to evaluate the efficacy and safety of carbohydrate-derived fulvic acid in topical treatment of eczema, Clin. Cosmet. Investig. Dermatol.4 (2011) 145–148; https://doi.org/10.2147/CCID.S23110
- 7. R. Sabi, P. Very and C. E. J. van Rensburg, Carbohydrate-derived fulvic acid (CHD-FA) inhibits carrageenan-induced inflammation and enhances wound healing: efficacy and toxicity study in rats, Drug Dev. Res.73 (2011) 18–23; https://doi.org/10.1002/ddr.20445
- 8. A. M. Beer, P. Zagorchev, M. Filipova and J. Lukanov, Effects of aqueous peat extract on the activity of cyclooxygenase and cyclooxygenase-1 and cyclooxygenase-2 isoforms, Phys. Med. Rehab. Kuror.25 (2015) 51–54.
- 9. S. Porzio, G. Caselli, L. Pellegrini, V. Pallottini, M. Del Rosario, A. Coppola, L. Boltri, M. Gentile, G. Clavenna and G. Melillo, Efficacy of a new topical gel-spray formulation of ketoprofen lysine salt in the rat: percutaneous permeation in vitro and in vivo and pharmacological activity, Pharmacol. Res. 37 (1998) 41–47; https://doi.org/10.1006/phrs.1997.0260
- 10. E. G. Apostolova, V. Y. Kokova and L. P. Peychev, Experimental study on the antinociceptive effect of retigabine in rats, IJBAMR. 5 (2015) 568–574.
- 11. R. M. Stepanović-Petrović, A. M. Micov, M. A. Tomić and N. D. Ugrešić, The local peripheral antihyperalgesic effect of levetiracetam and its mechanism of action in an inflammatory pain model, Anesth. Analog.115 (2012) 1457–1466; https://doi.org/10.1213/ANE.0b013e31826c7fc2
- 12. Y. Honda, H. Higuchi, Y. Matsuoka, A. Yabuki-kawase, M. Ishii-maruhama, Y. Tomoyasu, S. Maeda, H. Morimatsu and T. Miyawaki, The inhibitory effect of locally injected dexmedetomidine on carrageenan-induced nociception in rats, Eur. J. Pharmacol.764 (2015) 215–219; https://doi.org/10.1016/j.ejphar.2015.06.054
- 13. S. J. Chien, T. C. Chen, H. C. Kuo, C. N. Chen and S. F. Chang, Fulvic acid attenuates homocysteine-induced cyclooxygenase-2 expression in human monocytes, BMC Complement. Altern. Med.15 (2015) 61; https://doi.org/10.1186/s12906-015-0583-xJ
- 14. E. Magnusson and K. Fisher, The involvement of dopamine in nociception: the role of D(1) and D(2) receptors in the dorsolateral striatum, Brain Res.855 (2000) 260–266; https://doi.org/10.1016/S0006-8993(99)02396-3
- 15. L. A. Pini, G. Vitale, A. Ottani and M. Sandrini, Naloxone-reversible antinociception by paracetamol in the rat, J. Pharmacol. Exp. Ther. 280 (1997) 934–940.