Letter

Heme oxygenase-1 promoter polymorphisms do not influence susceptibility to systemic sclerosis and its clinical phenotypes.

L. Van Bon, J.C. Broen, M.M. Schijvenaars, B. Rueda, C.P. Simeón, N. Ortego-Centeno, M.A. González-Gay, T.R. Radstake, N. Hunzelmann, G. Riemekasten, T. Witte, F.A. Wagener, M.C. Vonk, M.J. Coenen, J. Martin