Optimizing factors for the efficient expression and purification of spao and lamb from Salmonella typhi . Bioscience Journal [online], 2022. [online], vol. 38, pp. e38084. [Accessed13 December 2025]. DOI 10.14393/BJ-v38n0a2022-61149. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/61149.