Detection of some virulence factors of Salmonella typhi isolated from patients’ blood by PCR and Phylogenetic tree. Periodicals of Engineering and Natural Sciences, [S. l.], v. 7, n. 4, 2019. DOI: 10.21533/pen.v7.i4.1678. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1678. Acesso em: 13 may. 2026.