"Further Observations on the Effect of Dimethyl Sulfoxide in Patients with Generalized Scleroderma (Progressive Systemic Sclerosis)"
Authur L. Scherbel, Lawrence J. McCormack, and John K. Layle

"The Efficacy of Long-Term Application of Dimethyl Sulfoxide in a Complex Therapy of Patients with Systemic Scleroderm"
U.V. Murav´av, et al., a Russian Study

"What is Scleroderma?": General information concerning the disease's symptoms, its causes, and treatment.