Melián-Ortiz, A, et al. “ EFFECT OF INVASIVE TREATMENT THROUGH DRY NEEDING IN THE TOLERANCE TO THE MYOFASCIAL PAIN IN THE INFRASPINATUS MUSCLE”. Cuestiones De Fisioterapia, vol. 40, no. 2, Apr. 2011, pp. 110-7, http://cuestionesdefisioterapia.es/index.php/cf/article/view/247.