Kabir, M. H., A. Sarwar, M. Hossain, and I. Ahmed. “Etiological Factors, Diagnoses, and Treatments of Halitosis: A Review Update”. Journal of Shaheed Suhrawardy Medical College, vol. 5, no. 2, Dec. 2013, pp. 106-10, doi:10.3329/jssmc.v5i2.20767.