[1. J. G. Mahdi, Medicinal potential of willow: A chemical perspective of aspirin discovery, J. Saudi Chem. Soc. 14 (2010) 317-322; DOI: 10.1016/j.jscs.2010.04.010.10.1016/j.jscs.2010.04.010]Search in Google Scholar
[2. A. Nahrstedt, M. Schmidt, R. Jaggi, J. Metz and M. T. Khayyal, Willow bark extract: the contribution of polyphenols to the overall effect, Wiener Med. Wochenschr. 157 (2007) 348-351; DOI: 10.1007/s10354-007-0437-3.10.1007/s10354-007-0437-3]Search in Google Scholar
[3. B. Meier, O. Sticher and R. Julkunen-Tiitto, Pharmaceutical aspects of the use of willows in herbal remedies, Planta Med. 54 (1988) 559-560; DOI: 10.1055/s-2006-962554.10.1055/s-2006-962554]Search in Google Scholar
[4. S. Sharma, D. Sahu, H. R. Das and D. Sharma, Amelioration of collagen-induced arthritis by Salix nigra bark extract via suppression of pro-inflammatory cytokines and oxidative stress, Food Chem. Toxicol. 49 (2011) 3395-3406; DOI: 10.1016/j.fct.2011.08.013.10.1016/j.fct.2011.08.013]Search in Google Scholar
[5. P. L. Pérez de Paz and C. E. Hernández Padrón, Plantas Medicinales o Útiles en la Flora Canaria. Aplicaciones Populares, 1st ed., Francisco Lemus Editor Sl, La Laguna 1999.]Search in Google Scholar
[6. S. Dévora, S. Abdala and D. Martín-Herrera, Peripheral analgesic and anti-inflammatory effects of Smilax canariensis in an animal model, Pharmacol. Pharm. 6 (2015) 391-400; DOI: 10.4236/pp.2015.68040.10.4236/pp.2015.68040]Search in Google Scholar
[7. S. Abdala, S. Dévora, D. Martín-Herrera and P. Pérez-Paz, Antinociceptive and anti-inflammatory activity of Sambucus palmensis Link, an endemic Canary Island species, J. Ethnopharmacol. 155 (2014) 626-632; DOI: 10.1016/j.jep.2014.06.002.10.1016/j.jep.2014.06.002]Search in Google Scholar
[8. G. F. Pavao-de-Souza, A. C. Zarpelon, G. C. Tedeschi, S. S. Mizokami, J. S. Sanson, T. M. Cunha, S. H. Ferreira, F. Q. Cunha, R. Casagrande and W. A. Verri, Jr., Acetic acid- and phenyl-p-benzoquinone- induced overt pain-like behavior depends on spinal activation of MAP kinases, PI3K and microglia in mice, Pharmacol. Biochem. Behav. 101 (2012) 320-328; DOI: 10.1016/j.pbb.2012.01.018.10.1016/j.pbb.2012.01.018]Search in Google Scholar
[9. M. Barrot, Tests and models of nociception and pain in rodents, Neuroscience 211 (2012) 39-50; DOI: 10.1016/j.neuroscience.2011.12.041.10.1016/j.neuroscience.2011.12.041]Search in Google Scholar
[10. A. Tjolsen, D. G. Berge, S. Hunskaar, J. H. Rosland and K. Hole, The formalin test: an evaluation of the method, Pain 51 (1992) 5-17; DOI: 10.1016/0304-3959(92)90003-T.10.1016/0304-3959(92)90003-T]Search in Google Scholar
[11. B. G. Katzung, S. B. Masters and A. J. Trevor, Farmacología Básica y Clínica, 11th ed., McGraw-Hill- Lange, New York 2010; DOI: 10.1036/0071451536.]Search in Google Scholar
[12. S. M. Thomazzi, C. B. Silva, D. C. R. Silveira, C. I. C. Vasconcellos, A. F. Lira and E. V. F. Cambui, Antinociceptive and anti-inflammatory activities of Bowdichia virgilioides (sucupira), J. Ethnopharmacol. 127 (2010) 451-456; DOI: 10.1016/j.jep.2009.10.014.10.1016/j.jep.2009.10.01419837149]Search in Google Scholar
[13. D. Kashyap, H. S. Tuli and A. K. Sharma, Ursolic acid (UA): A metabolite with promising therapeutic potential, Life Sci. 146 (2016) 201-213; DOI: 10.1016/j.lfs.2016.01.017.10.1016/j.lfs.2016.01.01726775565]Search in Google Scholar
[14. J. Higgs, C. Wasowski, L. M. Loscalzo and M. Marder, In vitro binding affinities of a series of flavonoids for μ-opioid receptors. Antinociceptive effect of the synthetic flavonoid 3, 3-dibromoflavanone in mice, Neuropharmacology 72 (2013) 9-19; DOI: 10.1016/j.neuropharm.2013.04.020.10.1016/j.neuropharm.2013.04.02023624290]Search in Google Scholar
[15. S. Fan, N. A. Ali and D. F. Basri, Evaluation of analgesic activity of the methanol extract from the galls of Quercus infectoria (Olivier) in rats, Evid. Based Complement. Alternat. Med. 2014 (2014) 1-6; DOI: 10.1155/2014/976764.10.1155/2014/976764416413325254062]Search in Google Scholar