TY - RPRT TI - Intestinal macrophages display reduced permissiveness to human immunodeficiency virus 1 and decreased surface CCR5. AU - L Li AU - G Meng AU - M F Graham AU - G M Shaw AU - P D Smith PY - 1999 DO - 10.1016/s0016-5085(99)70007-7 UR - https://pubmed.ncbi.nlm.nih.gov/10220496/ ID - 10220496 ER -