Machado, V., Botelho, J., Amaral, A., Proença, L., Alves, R., Rua, J., . . . Mendes, J. J. (2018). Prevalence and extent of chronic periodontitis and its risk factors in a Portuguese subpopulation: A retrospective cross-sectional study and analysis of Clinical Attachment Loss. PeerJ.

Machado, Vanessa, João Botelho, António Amaral, Luís Proença, Ricardo Alves, João Rua, Maria Alzira Cavacas, Ana Sintra Delgado, and José João Mendes. "Prevalence and Extent of Chronic Periodontitis and Its Risk Factors in a Portuguese Subpopulation: A Retrospective Cross-sectional Study and Analysis of Clinical Attachment Loss." PeerJ 2018.

Machado, Vanessa, et al. "Prevalence and Extent of Chronic Periodontitis and Its Risk Factors in a Portuguese Subpopulation: A Retrospective Cross-sectional Study and Analysis of Clinical Attachment Loss." PeerJ 2018.