Kreuter A, Hyun J, et al. A randomized controlled study of low-dose UVA1, medium-dose UVA1, and narrowband UVB phototherapy in the treatment of localized scleroderma.
J Am Acad Dermatol. 2006;54:440-447.
Mathai SC, Girgis RE, et al. Addition of sildenafil to bosentan monotherapy in pulmonary arterial hypertension.
Eur Respir J. 2007;29:469-475.
Rodriguez-Reyna TS, Alarcon-Segovia D. Overlap syndromes in the context of shared autoimmunity.
Scleroderma. National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at:
. Updated August 2012. Accessed August 21, 2013.
Systemic sclerosis. EBSCO DynaMed website. Available at:
. Updated August 5, 2013. Accessed August 21, 2013.
What is scleroderma? Scleroderma Foundation website. Available at:
Accessed August 21, 2013.
Scleroderma Research Foundation
Scleroderma Society of Canada