High-dose versus low-dose D-penicillamine in early diffuse systemic sclerosis: analysis of a two-year, double-blind, randomized, controlled clinical trial.
Clements PJ, Furst DE, Wong WK, Mayes M, White B, Wigley F, Weisman MH, Barr W, Moreland LW, Medsger TA, Steen V, Martin RW, Collier D, Weinstein A, Lally E, Varga J, Weiner S, Andrews B, Abeles M, Seibold JR. High-dose versus low-dose D-penicillamine in early diffuse systemic sclerosis: analysis of a two-year, double-blind, randomized, controlled clinical trial. Arthritis Rheum. 1999 Jun; 42(6):1194-203.