ALLAH, F. A. A. A.; AHMED, H. A. E. Evaluation of salivary alpha amylase activity in smokers with periodontitis, Khartoum state, 2023. European Journal of Clinical and Experimental Medicine, [S. l.], v. 21, n. 4, p. 692–695, 2023. DOI: 10.15584/ejcem.2023.4.1. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/12069. Acesso em: 28 dec. 2025.