TreleavenJJullGAtkinsonLCervical musculoskeletal dysfunction in post-concussional headache.Cephalalgia1994;14:273–9
2.
VernonHTSteimanIHaginoCCervicogenic dysfunction in muscle contraction headache and migraine: a descriptive study.J Manip Physiol Ther1992;15:418–29
3.
JullGABogdukNMarslandAThe accuracy of manual diagnosis for zygopophyseal joint pain.Med J Aust1988;148:233–6
4.
PfaffenrathVDandekarRMayerEHermannGPollmannWCervicogenic headache: results of computer-based measurements of cervical spine mobility in 15 patients.Cephalalgia1988;8:45–8
5.
FischerAAPressure algometry over normal muscles. Standard values, validity and reproducibility of pressure threshold.Pain1986;30:115–26