Ibrahim Suleiman, Aws. “The Effect of Calcium and Magnesium Ions in Stimulating the Transition to Bacterial L Forms”. Journal of Education and Science 24, no. 3 (November 30, 1999): 41–63. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41851.