Valentín-Mazarracín , I, and A Asensi-Parras. “SUPERFICIAL DRY NEEDLING VS PSEUDO-PLACEBO: A PILOT DOUBLE-BLIND RANDOMIZED STUDY”. Cuestiones De Fisioterapia, vol. 46, no. 1, Feb. 2017, pp. 23-32, http://cuestionesdefisioterapia.es/index.php/cf/article/view/206.