Tepper SJ, Stillman MJ. Cluster headache: potential options for medically refractory patients (when all else fails). Headache. 2013;53(7):1183-90. Dr. John Halpern, MD, is Assistant Professor of Psychiatry at Harvard Medical School, Director of the Laboratory for Integrative Psychiatry, Psychiatrist-in-Charge of Division Coverage—Division of Alco… Read More