Welling, Aarti, et al. “Prevalence of Posterior Myofascial Chain Tightness and Presence of Myofascial Trigger Points in Subjects With Cervicogenic Headache”. International Journal of Therapeutic Massage & Bodywork, vol. 19, no. 1, Mar. 2026, pp. 57-70, doi:10.3822/ijtmb.v19i1.1297.