Journal Article 3 Valvular heart disease Antibodies, Antiphospholipid 1 Antiphospholipid antibodies 1 Cardiac manifestations 1 Clinical prediction model 1 Culture negative 1 plus ... Echocardiography 1 Endocarditis 1 Microbiologic 1 Prevalence 1 Prosthetic valve 1 Research Support, Non-U.S. Gov't 1 Risk factors 1 Saudi Arabia 1 Spondyloarthritis 1 moins ...