Mayo Clinic offers award-winning medical and health information and tools for healthy living.

Information about arthritis pain relief, symptoms, medication, treatment, and diet. Information on various types of arthritis including rheumatoid arthritis, osteoarthritis, gout, psoriatic arthritis, lupus, fibromyalgia, Sjogren's syndrome, scleroderma, ankylosing spondylitis and other arthritis related conditions.

The nonprofit International Scleroderma Network at sclero.org is a charitable foundation that provides stellar research, support, education and awareness for scleroderma and related autoimmune and arthritis illnesses, with 5,000+ pages in 22 languages. Donate in memory or in honor. Donate for scleroderma research.

Lab Tests Online offers noncommercial patient education on blood, urine, and other lab tests to help health care consumers better manage their care.

The Scleroderma Foundation is a national nonprofit health organization dedicated to a three-fold mission of Support, Education, and Research to help fight this challenging autoimmune disease.

ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive lab testing menu of highly complex and unique medical tests in clinical and anatomic pathology. Owned by the University of Utah, ARUP Laboratories' clients include more than half of the nation's university teaching hospitals and children's hospital

Cleveland Clinic, a non-profit academic medical center, provides clinical and hospital care and is a leader in research, education and health information.

Extensive knowledge base of medical information on symptoms, diagnosis, and misdiagnosis of more than 20,000 medical conditions. Research causes of your symptoms or research treatments for diseases.