TY  - RPRT
TI  - Headaches and cervical manipulation.
AU  - N Bogduk
PY  - 1979
DO  - 10.5694/j.1326-5377.1979.tb112706.x
UR  - https://pubmed.ncbi.nlm.nih.gov/492025/
ID  - 492025
ER  -