Extraction and Purification of Intracellular Beta-Lactamase from Proteus mirabilis. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 1288–1294, 2022. Disponível em: https://pnrjournal.com/index.php/home/article/view/3448.. Acesso em: 5 jun. 2026.