Barth Syndrome Barth Syndrome (BTHS) Barth Syndrome (BTHS) NIH/NINDS - Barth Syndrome Information Page NINDS - Barth Syndrome Information Barth syndrome National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke http://www.ninds.nih.gov/disorders/barth/barth.htm NIH/NINDS - Barth Syndrome Information Page National Institute of Neurological Disorders and Stroke NINDS National Institute of Neurological Disorders and Stroke Barth syndrome Barth Syndrome (BTHS) National Institute of Neurological Disorders and Stroke Additional NIH Resources National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke Barth syndrome National Institute of Neurological Disorders and Stroke NINDS