APA (7th ed.) Citation

Lines, C. R., Vandormael, K., & Malbecq, W. (2001). A comparison of visual analog scale and categorical ratings of headache pain in a randomized controlled clinical trial with migraine patients. Pain (Amsterdam), 93(2), 185-190. https://doi.org/10.1016/S0304-3959(01)00315-3

Chicago Style (17th ed.) Citation

Lines, Christopher R., Kristel Vandormael, and William Malbecq. "A Comparison of Visual Analog Scale and Categorical Ratings of Headache Pain in a Randomized Controlled Clinical Trial with Migraine Patients." Pain (Amsterdam) 93, no. 2 (2001): 185-190. https://doi.org/10.1016/S0304-3959(01)00315-3.

MLA (9th ed.) Citation

Lines, Christopher R., et al. "A Comparison of Visual Analog Scale and Categorical Ratings of Headache Pain in a Randomized Controlled Clinical Trial with Migraine Patients." Pain (Amsterdam), vol. 93, no. 2, 2001, pp. 185-190, https://doi.org/10.1016/S0304-3959(01)00315-3.