. "\"Any process that stops, prevents, or reduces the frequency, rate or extent of multiplication or reproduction of fibroblast cells.\" [GOC:jid]" . . "negative regulation of fibroblast proliferation" . "down regulation of fibroblast proliferation" . "down-regulation of fibroblast proliferation" . "downregulation of fibroblast proliferation" . . . "inhibition of fibroblast proliferation" .