“Relationship Between Tooth Colour, Skin Colour and Age: An Observational Study in Patients at the Ibadan Dental School”. African Journal of Biomedical Research 13, no. 1 (September 15, 2024): 9–14. Accessed October 26, 2025. https://africanjournalofbiomedicalresearch.com/index.php/AJBR/article/view/734.