Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0049-0172(15)00142-0
Scleroderma free resource MedlinePlus Health Information https://medlineplus.gov/scleroderma.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S0049-0172(15)00142-0