Relationship between Carotid Artery Calcification and Periodontitis in the Saudi Population: A Retrospective Study oleh Wael I. Ibraheem, Ashok Kumar Bhati, Manar Ali Alhomood, Omaima Ahmed Allayl, Alzhouor Ali Qsadi, Tahani Ibrahim Mnaji Mohammed, Yahya Sulaiman Aljabri