Sigma Antagonists for Treatment of Neuropathic Pain Syndromes in Cancer Patients: A Narrative Review. Journal of Cancer Research Updates, [S. l.], v. 11, p. 70–77, 2022. DOI: 10.30683/1929-2279.2022.11.10. Disponível em: https://neoplasiaresearch.com/index.php/jcru/article/view/693. Acesso em: 10 oct. 2025.