Comparing Migraine Severity for AVP‐825 vs. Oral Sumatriptan Using Bifactor Analysis: Results of the COMPASS Study

McGinley, J. S., With, R. J., Buse, D. C., Shulman, K., Lipton, R. L. (2017). Comparing Migraine Severity for AVP‐825 vs. Oral Sumatriptan Using Bifactor Analysis: Results of the COMPASS Study. Poster to be presented at 59th Annual Scientific Meeting for the American Headache Society (AHS). Boston, MA.