Premlata. “TO EVALUATE THE ROLE OF POSITIONAL RELEASE TECHNIQUE ON PAIN AND HEADACHE DISABILITY IN CERVICOGENIC HEADACHE PATIENTS IN MIDDLE- AGED POPULATION. A PILOT STUDY”. International Journal of Medical Science And Diagnosis Research, vol. 3, no. 1, Jan. 2019, http://www.ijmsdr.com/index.php/ijmsdr/article/view/201.