APA Citatie

Aschehoug, I., Bratbak, D. F., & Tronvik, E. A. (2018). Long‐Term Outcome of Patients With Intractable Chronic Cluster Headache Treated With Injection of Onabotulinum Toxin A Toward the Sphenopalatine Ganglion – An Observational Study. Headache.

Chicago Style citaat

Aschehoug, Irina, Daniel Fossum Bratbak, en Erling Andreas Tronvik. "Long‐Term Outcome of Patients With Intractable Chronic Cluster Headache Treated With Injection of Onabotulinum Toxin A Toward the Sphenopalatine Ganglion – An Observational Study." Headache 2018.

MLA citatie

Aschehoug, Irina, Daniel Fossum Bratbak, en Erling Andreas Tronvik. "Long‐Term Outcome of Patients With Intractable Chronic Cluster Headache Treated With Injection of Onabotulinum Toxin A Toward the Sphenopalatine Ganglion – An Observational Study." Headache 2018.