CenterWatch - Clinical Trials: Psoriasis and Psoriatic Disorders: A list of clinics and clinical trials, organized by state. Also lists research centers and additional resources

DebRA International: Dystrophic Epidermolysis Bullosa Research Association. A voluntary, non-profit organization dedicated to creating awareness and providing support for families affected by Epidermolysis Bullosa (EB). Includes treatment and care information, latest research, organization history, and forums

Medscape - Urticaria: Pathophysiology, frequency, mortality/morbidity rate, causes, treatment, laboratory studies and medications

Nail Patella Syndrome Worldwide: Non-profit organization serving the needs of people with this condition. Includes information on the syndrome and the work of the organization

National Alopecia Areata Foundation: A non profit organization dedicated to providing information about alopecia areata. With support groups in the USA and contacts with similar support groups worldwide

National Eczema Association: Educational resources for the prevention and treatment of eczema and related skin complaints

National Organization for Albinism and Hypopigmentation: An organization where people with albinism, their families and those that work with them can get information, ask questions and share their experiences

National Psoriasis Foundation: Providing information on symptoms, treatments, research, educational programs, photo archives, case histories, and children's resources. Also offers interactive forums and monthly bulletins

Vitiligo Society UK: Vitiligo results in a loss of skin color. Vitiligo usually occurs in families, and may sometimes also involve diabetes, thyroid disorders, and some other conditions