Hemifacial Spasm information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Infantile Refsum Disease information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Parry-Romberg syndrome information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Sjogren’s Syndrome information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Syringomyelia information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

TROYER SYNDROME, Cross-McKusick syndrome, spastic paraplegia 20

Alzheimer’s Disease (AD) information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Back Pain information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Cephalic disorders information page compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

Colpocephaly information page compiled by NINDS.