Hopper, D., Bajaj, Y., Kei Choi, C., Jan, O., Hall, T., Robinson, K., & Briffa, K. (2013). A pilot study to investigate the short-term effects of specific soft tissue massage on upper cervical movement impairment in patients with cervicogenic headache. Maney Publishing.

Hopper, Diana, Yogita Bajaj, Chor Kei Choi, Osama Jan, Toby Hall, Kim Robinson, i Kathy Briffa. A Pilot Study to Investigate the Short-term Effects of Specific Soft Tissue Massage On Upper Cervical Movement Impairment in Patients With Cervicogenic Headache. Maney Publishing, 2013.

Hopper, Diana, et al. A Pilot Study to Investigate the Short-term Effects of Specific Soft Tissue Massage On Upper Cervical Movement Impairment in Patients With Cervicogenic Headache. Maney Publishing, 2013.