Galbis-Hinojal , P, and J L R Martín. “DISTANT EFFECTS OF SPINAL MANIPULATION IN LOW BACK PAIN.THREE PATIENTS CASE REPORT”. Cuestiones De Fisioterapia, vol. 45, no. 2, Apr. 2016, pp. 65-70, http://cuestionesdefisioterapia.es/index.php/cf/article/view/219.