Rickettsia conorii infection enhances vascular cell adhesion molecule-1 and intercellular adhesion molecule-1-dependent mononuclear cell adherence to endothelial cells - Dignat-George, F; Teysseire, N; Mutin, M; Bardin, N; Lesaule, G; Raoult, D; Sampol, J (J Infect Dis, 1997)