APA citiranje

Bratbak, D. F., Nordgård, S., Stovner, L. J., Linde, M., Folvik, M., Bugten, V., & Tronvik, E. (2015). Pilot study of sphenopalatine injection of onabotulinumtoxinA for the treatment of intractable chronic cluster headache. Cephalalgia.

Citação norma Chicago

Bratbak, Daniel Fossum, Ståle Nordgård, Lars Jacob Stovner, Mattias Linde, Mari Folvik, Vegard Bugten, and Erling Tronvik. "Pilot Study of Sphenopalatine Injection of OnabotulinumtoxinA for the Treatment of Intractable Chronic Cluster Headache." Cephalalgia 2015.

MLA citiranje

Bratbak, Daniel Fossum, et al. "Pilot Study of Sphenopalatine Injection of OnabotulinumtoxinA for the Treatment of Intractable Chronic Cluster Headache." Cephalalgia 2015.