1. Adamson IYR, Letourneau HL, Bowden DH (1989) Enhanced macrophage fibroblast interactions in the pulmonary interstitium increases fibrosis after silica injection to monocyte-depleted mice. Am J Pathol 134:411–418
2. Al-Mogairen SM (2010) Role of sodium silicate in induction of scleroderma-related autoantibodies in brown Norway rats through oral and subcutaneous administration. Rheumatol Int.
https://doi.org/10.1007/s00296-009-1327-3
3. American Thoracic Society (1997) Adverse effects of crystalline silica exposure. Am J Respir Crit Care Med 155:761–765
4. Anderegg U, Vorberg S, Herrmann K, Haustein UF (1996) Increased expression of interstitial collagenase in silica-treated fibroblasts. Eur J Dermatol 6:51–55
5. Anderegg U, Vorberg S, Herrmann K, Haustein UF (1997) Silica directly induces intercellular adhesion molecule 1 (ICAM-1) expression in cultured endothelial cells. Eur J Dermatol 7:27–31