Low CSF Met‐Enkephalin Levels in Cluster Headache Are Elevated by Acupuncture
- 1 September 1989
- journal article
- Published by Wiley in Headache: The Journal of Head and Face Pain
- Vol. 29 (8), 494-497
- https://doi.org/10.1111/j.1526-4610.1989.hed2908494.x