TRUNG, N. T.; LOAN, H. K.; DUY, H. B.; HẠNH, K. T. H. Prevalence of gingivitis and sensitivity, specificity of dental imaging with smartphone in diagnosis gingivitis among 15 - year - old students in Hung Yen . Journal of Medical Research, [S. l.], v. 143, n. 7, p. 86-93, 2021. DOI: 10.52852/tcncyh.v143i7.652. Disponível em: https://tapchinghiencuuyhoc.vn/index.php/tcncyh/article/view/652. Acesso em: 19 may. 2024.