Medial Branch Blocks Are Specific for the Diagnosis of Cervical Zygapophyseal Joint Pain
Les Barnsley, Nikolai Bogduk
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Nov 1993, 18 (6) 343-350; DOI: 10.1136/rapm-00115550-199318060-00004
