Cunha, A. T., L. R. Rodrigues, F. Canavarros, A. Santos, and C. Macor. “Halitosis – What the ENT Should Know”. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 60, no. 2, June 2022, pp. 115-20, doi:10.34631/sporl.991.