Patterson BK, Behbahani H, Kabat WJ, Sullivan Y, O'Gorman MR, Landay A, Flener Z, Khan N, Yogev R, Andersson J. Leukemia inhibitory factor inhibits HIV-1 replication and is upregulated in placentae from nontransmitting women. J Clin Invest. 2001 Feb; 107(3):287-94.