Research protocols for systematic reviews. International Journal of Medical and Surgical Sciences, [S. l.], v. 6, n. 3, p. 71–72, 2019. DOI: 10.32457/ijmss.2019.022. Disponível em: http://186.67.134.105/index.php/ijmss/article/view/18. Acesso em: 22 oct. 2026.