ORIGINAL ARTICLE: Efficacy of C1-C2 Sustained Natural Apophyseal Glide (SNAG) Versus Posterior Anterior Vertebral Mobilization (PAVMs) in the Management of Cervicogenic Headache. J. Basic Appl. Sci. [Internet]. 2014 Jan. 5 [cited 2026 Sep. 8];10:226-30. Available from: https://pms.setpublisher.com/index.php/jbas/article/view/1124