Houts, C. R., McGinley, J. S., Wirth, R. J., Cady, R., & Lipton, R. B. (2020). Reliability and validity of the 6-item Headache Impact Test in chronic migraine from the PROMISE-2 study. Qual Life Res.

Houts, Carrie R., James S. McGinley, R. J. Wirth, Roger Cady, و Richard B. Lipton. "Reliability and Validity of the 6-item Headache Impact Test in Chronic Migraine From the PROMISE-2 Study." Qual Life Res 2020.

Houts, Carrie R., et al. "Reliability and Validity of the 6-item Headache Impact Test in Chronic Migraine From the PROMISE-2 Study." Qual Life Res 2020.