@misc{indiciaec521250c8400, title = {Cervical headache.}, author = {G G Nicholson and J Gaston}, year = {2001}, doi = {10.2519/jospt.2001.31.4.184}, url = {https://pubmed.ncbi.nlm.nih.gov/11324872/}, note = {Source identifier: 11324872} }