Martin Urrialde, J A. “Tenosynovitis of the Extensors and Abductor of the Thumb. Review of 2 Cases and Results of the Application of the Transverse Massage Prof Undo”. Cuestiones De Fisioterapia, vol. 11, no. 1, Apr. 1999, pp. 58-63, http://cuestionesdefisioterapia.es/index.php/cf/article/view/523.