H. Al-Jobury, S., and I. I. Al-Sanjari. “Study on Adherence of Pathogenicity of Moraxella Catarrhalis in the Respiratory Tract of Patients”. Rafidain Journal of Science, vol. 17, no. 10, Sept. 2006, pp. 147-58, doi:10.33899/rjs.2006.43762.