Maggi P, Perilli F, Lillo A, Volpe A, Pastore G, Regina G. B-mode ultrasound study of carotid plaques in HIV-positive patients to detect the presence of inflammatory endothelial lesions. Curr HIV Res. 2009 Sep;7(5):541–6. doi: 10.2174/157016209789346327. PMID: 19534668.