Lazkano-Juaristi , E, et al. “DRY NEEDLING VERSUS INSTRUMENT ASSISTED SOFT TISSUE MOBILIZATION FOR THE TREATMENT OF MYOFASCIAL PAIN SYNDROME OF HAMSTRINGS MUSCLES: A PILOT STUDY”. Cuestiones De Fisioterapia, vol. 49, no. 2, Apr. 2020, pp. 110-8, http://cuestionesdefisioterapia.es/index.php/cf/article/view/142.