Co-administration of Nimodipine with Morphine in Rat, delayed the development of tolerance to analgesic effect of Morphine: The Tail-Flick test study: New insight for treatment of chronic pain. International Journal of Biomedical Research, [S. l.], v. 6, n. 10, p. 786–793, 2015. DOI: 10.7439/ijbr.v6i10.2261. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/2261. Acesso em: 16 feb. 2026.