James Anderson DPM Dr., Forest Tennant MD Dr., Auricular Vagus Nerve Stimulation Improves Chronic Pain and Pain-Related Cytokine Levels: A Clinical Study, International Journal of Pain Management, Volume 1, Issue 2, 2023, Pages 38-56, ISSN 2688-5328, https://doi.org/10.14302/issn.2688-5328.ijp-23-4624. (http://mail.oap-journals.orgijp/article/1990) Keywords: Chronic pain; auricular vagus nerve; cytokines; nerve stimulation; clinical studies