POUDEL, P.; DAHAL, S. Grey literature: Additional source facilitating a balanced view of evidence. Journal of Kathmandu Medical College, [S. l.], v. 10, n. 3, p. 107–108, 2021. Disponível em: https://jkmc.com.np/ojs3/index.php/journal/article/view/1143. Acesso em: 27 may. 2022.