Reproduction and resolution of familiar head pain with upper cervical spine sustained joint mobilization may help identify cervicogenic headaches: a case–control study

- Cummins, Damien, Rivett, Darren A., Thomas, Lucy C., Osmotherly, Peter G.

Determining associations between physical signs on clinical examination of the cervical spine and the presence of headache of cervicogenic origin

- Cummins, Damien Charles