. "\"Any process that stops, prevents, or reduces the rate of leukocyte mediated cytotoxicity.\" [GOC:add, ISBN:0781735149, PMID:11911826]" . . "negative regulation of leukocyte mediated cytotoxicity" . "down regulation of leukocyte mediated cytotoxicity" . "down-regulation of leukocyte mediated cytotoxicity" . "downregulation of leukocyte mediated cytotoxicity" . "negative regulation of immune cell mediated cytotoxicity" . "negative regulation of leucocyte mediated cytotoxicity" . . . . "inhibition of leukocyte mediated cytotoxicity" .