CD4 receptor-dependent entry of human immunodeficiency virus type-1 env-pseudotypes into CCR5-, CCR3-, and CXCR4-expressing human alveolar macrophages is preferentially mediated by the CCR5 coreceptor - Park, I W; Koziel, H; Hatch, W; Li, X; Du, B; Groopman, J E (Am J Respir Cell Mol Biol, 1999)