Referencias
Cutrer FM, Moskowitz MA. Headaches and other head pain. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 421.
Siccoli MM, Bassetti CL, Sándor PS. Facial pain: clinical differential diagnosis. The Lancet Neurol. 2006;5:257-267.
Silberstein SD, Young WB. Headache and facial pain. In: Goetz CG, ed. Textbook of Clinical Neurology. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 53.