TY  - RPRT
TI  - Cervical headache.
AU  - G G Nicholson
AU  - J Gaston
PY  - 2001
DO  - 10.2519/jospt.2001.31.4.184
UR  - https://pubmed.ncbi.nlm.nih.gov/11324872/
ID  - 11324872
ER  -