Fig. 1From: Bronchial Epithelial Cell Matrix Production in Response to Silica and Basic Fibroblast Growth FactorImmunofluorescence staining of collagen IV and laminin in 16HBE cells. Immunofluorescence staining of collagen IV in control (A) and in silica-treated 16HBE cells (B). Laminin patterns in untreated (C) or silica-treated (D) 16HBE cells. Original magnification: 3 1200.Back to article page