Cita APA

Freitag, F. G., Lyss, H., & Nissan, G. R. (2013). Migraine disability, healthcare utilization, and expenditures following treatment in a tertiary headache center. Baylor Health Care System.

Citación estilo Chicago

Freitag, Frederick G., Heidi Lyss, and George R. Nissan. Migraine Disability, Healthcare Utilization, and Expenditures Following Treatment in a Tertiary Headache Center. Baylor Health Care System, 2013.

Cita MLA

Freitag, Frederick G., Heidi Lyss, and George R. Nissan. Migraine Disability, Healthcare Utilization, and Expenditures Following Treatment in a Tertiary Headache Center. Baylor Health Care System, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.