Transforming growth factor beta tgf beta 1 but not platelet derived growth factor pdgf and asbestos increases expression of fibronectin and type 1 collagen mrna expression in rat lung fibroblasts Goodell, A.L.; Bonner, J.C.; Brody, A.R. American Review of Respiratory Disease 145(4 Part 2): A841 1992 0003-0805 https://eurekamag.com/research/034/046/034046904.php