Ventura, I., Rodrigues, A., Costa, L., Garcez, F., Viana da Costa, A., Infante da Câmara, M., Resende, A.D. and Batista-Pinto, C. 2026. Histopathological and inflammatory changes in oral mucosa associated with tobacco exposure: Preliminary findings from an ongoing comparative study. Scientific Letters. 1, Sup 1 (May 2026). DOI:https://doi.org/10.48797/sl.2026.499.