Boardman, H., Thomas, E., Millson, D., MacGregor, E., Laughey, W., Croft, P., . . . Croft, P. R. (2003). North Staffordshire Headache Survey: Development, reliability and validity of a questionnaire for use in a general population survey. Cephalalgia, 23(5), 325. https://doi.org/10.1046/j.1468-2982.2003.00536.x
Chicago Style (17th ed.) CitationBoardman, HF, et al. "North Staffordshire Headache Survey: Development, Reliability and Validity of a Questionnaire for Use in a General Population Survey." Cephalalgia 23, no. 5 (2003): 325. https://doi.org/10.1046/j.1468-2982.2003.00536.x.
MLA (9th ed.) CitationBoardman, HF, et al. "North Staffordshire Headache Survey: Development, Reliability and Validity of a Questionnaire for Use in a General Population Survey." Cephalalgia, vol. 23, no. 5, 2003, p. 325, https://doi.org/10.1046/j.1468-2982.2003.00536.x.