Quaglio G, Anguera I, Miro J, Sureda C, Marco F, Batlle J, et al. Prevotella oralis Homograft-Valve Endocarditis Complicated by Aortic-Root Abscess, Intracardiac Fistula, and Complete Heart Block. //Clin. infect. dis.. 1999;28(3):685-686.