Asma Ilyas, Wajeeha Zia, Irfan Bashir, Sheher Bano, Muhammad Salman Bashir (2022) “Cervical-Flexion Rotation Test and Cervical Mobility in Normal and Cervicogenic Headache Patients”, Pakistan Journal of Medical & Health Sciences, 16(07), p. 98. doi: 10.53350/pjmhs2216798.