The efficacy of botulinum toxin A treatment for tension-type or cervicogenic headache: a systematic review and meta-analysis of randomized, placebo-controlled trials.

MLA

Roland, Sissel Breivold, et al. “The Efficacy of Botulinum Toxin A Treatment for Tension-Type or Cervicogenic Headache: A Systematic Review and Meta-Analysis of Randomized, Placebo-Controlled Trials.” Scandinavian Journal of Pain, vol. 21, no. 4, June 2021, pp. 635–52. EBSCOhost, https://doi.org/10.1515/sjpain-2021-0038.

APA

Roland, S. B., Pripp, A. H., Msomphora, M. R., & Kvarstein, G. (2021). The efficacy of botulinum toxin A treatment for tension-type or cervicogenic headache: a systematic review and meta-analysis of randomized, placebo-controlled trials. Scandinavian Journal of Pain, 21(4), 635–652. https://doi.org/10.1515/sjpain-2021-0038

Chicago

Roland, Sissel Breivold, Are Hugo Pripp, Mbachi Ruth Msomphora, and Gunnvald Kvarstein. 2021. “The Efficacy of Botulinum Toxin A Treatment for Tension-Type or Cervicogenic Headache: A Systematic Review and Meta-Analysis of Randomized, Placebo-Controlled Trials.” Scandinavian Journal of Pain 21 (4): 635–52. doi:10.1515/sjpain-2021-0038.