Fernandez de las Penas, C. “Physiotherapeutic Treatment In Headaches: Analysis of a Clinical Case With Hemicranial Headache and Chronic Hemifacial”. Cuestiones De Fisioterapia, vol. 27, no. 1, June 2004, pp. 62-72, http://cuestionesdefisioterapia.es/index.php/cf/article/view/458.