APA (7th ed.) Citation

Argren, M. B., Engstrand, H., Husøy, A. K., Zwart, J., & Winsvold, B. S. The PopHEAD study: A population-based, cross-sectional study on headache burden in Norway: methods and validation of questionnaire-based diagnoses. BMC.

Chicago Style (17th ed.) Citation

Argren, Maria Bengtson, Helene Engstrand, Andreas Kattem Husøy, John-Anker Zwart, and Bendik Slagsvold Winsvold. The PopHEAD Study: A Population-based, Cross-sectional Study on Headache Burden in Norway: Methods and Validation of Questionnaire-based Diagnoses. BMC.

MLA (9th ed.) Citation

Argren, Maria Bengtson, et al. The PopHEAD Study: A Population-based, Cross-sectional Study on Headache Burden in Norway: Methods and Validation of Questionnaire-based Diagnoses. BMC.