Exposure to silica and systemic sclerosis: A retrospective cohort study based on the Canadian Scleroderma Research Group oleh Anastasiya Muntyanu, Raymond Milan, Raymond Milan, Elham Rahme, Elham Rahme, Avery LaChance, Lydia Ouchene, Maxime Cormier, Ivan V. Litvinov, Ivan V. Litvinov, Marie Hudson, Marie Hudson, Murray Baron, Elena Netchiporouk, the Canadian Scleroderma Research Group, M. Baron, M. Hudson, G. Gyger, J. Pope, M. Larche, N. Khalidi, A. Masetto, E. Sutton, T. S. Rodriguez Reyna, N. Maltez, C. Thorne, P. R. Fortin, A. Ikic, D. Robinson, N. Jones, S. LeClercq, P. Docherty, D. Smith, M. J. Fritzler