2. Behcet Disease
Behçet disease (BD), also known as Behçet syndrome, is a chronic form of vasculitis (inflammation of the blood vessels) involving four primary symptoms: oral and genital ulcers, ocular inflammation, and arthritis.
Healthline.com (OMS Preferred Provider)

3. Behcet's Disease Information Page: National Institute of Neurological Disorders and Stroke (NINDS)
Behcet's disease is a rare, chronic inflammatory disorder. The cause of Behcet's disease is unknown, although there have been reports of a virus found in some individuals with the disease. Behcet's disease generally...
www.ninds.nih.gov