TY  - RPRT
TI  - Neck mobility in different headache disorders.
AU  - J A Zwart
PY  - 1997
DO  - 10.1046/j.1526-4610.1997.3701006.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9046716/
ID  - 9046716
ER  -