APA (7th ed.) Citation

Friedman, B. W., Hochberg, M. L., Esses, D., Grosberg, B., Corbo, J., Toosi, B., . . . Gallagher, E. J. (2007). Applying the International Classification of Headache Disorders to the Emergency Department: An Assessment of Reproducibility and the Frequency With Which a Unique Diagnosis Can Be Assigned to Every Acute Headache Presentation. Annals of emergency medicine, 49(4), 409-419.e9. https://doi.org/10.1016/j.annemergmed.2006.11.004

Chicago Style (17th ed.) Citation

Friedman, Benjamin W., et al. "Applying the International Classification of Headache Disorders to the Emergency Department: An Assessment of Reproducibility and the Frequency With Which a Unique Diagnosis Can Be Assigned to Every Acute Headache Presentation." Annals of Emergency Medicine 49, no. 4 (2007): 409-419.e9. https://doi.org/10.1016/j.annemergmed.2006.11.004.

MLA (9th ed.) Citation

Friedman, Benjamin W., et al. "Applying the International Classification of Headache Disorders to the Emergency Department: An Assessment of Reproducibility and the Frequency With Which a Unique Diagnosis Can Be Assigned to Every Acute Headache Presentation." Annals of Emergency Medicine, vol. 49, no. 4, 2007, pp. 409-419.e9, https://doi.org/10.1016/j.annemergmed.2006.11.004.