Jarjees S, Alleh M. Investigation of beta-lactase enzymes in chromosomal bacilli isolated from diarrhea in children. EDUSJ [Internet]. 2008 Dec. 1 [cited 2025 Aug. 6];21(4):45-54. Available from: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24277