Prevalence of calcified carotid artery atheromas in panoramic radiographs of HIV-positive patients undergoing antiretroviral treatment: a retrospective study - Silva Júnior, Newton Guerreiro da; Pedreira, Erick Nelo; Tuji, Fabrício Mesquita; Warmling, Luiza Verônica; López Ortega, Karem (Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2014)