García-Hernández, Erik L. “Association of Periodontal Disease and Diabetic Retinopathy ”. Mexican Journal of Medical Research ICSA 11, no. 21 (January 5, 2023): 19-24. Accessed February 2, 2023. https://repository.uaeh.edu.mx/revistas/index.php/MJMR/article/view/8947.