ARMIJOS BRIONES, F. M. .; CASTILLO GONZÁLEZ, J. I. .; ARMIJOS MORETA, J. F. .; BOADA ZURITA, C. D. R. . Treatment Alternatives to Gingival Hyperpigmentation using Neutrosophic Correlation Coefficients. Neutrosophic Sets and Systems, [S. l.], v. 52, p. 319-325, 2022. Disponível em: http://fs.unm.edu/NSS2/index.php/111/article/view/2664. Acesso em: 22 mar. 2023.