Fernández-de-las-Peñas, C., Falla, D., Arendt-Nielsen, L., & Farina, D. (2008). Cervical muscle co-activation in isometric contractions is enhanced in chronic tension-type headache patients. Cephalalgia, 28(7), 744. https://doi.org/10.1111/j.1468-2982.2008.01584.x
Chicago Style (17th ed.) CitationFernández-de-las-Peñas, C., D. Falla, L. Arendt-Nielsen, and D. Farina. "Cervical Muscle Co-activation in Isometric Contractions Is Enhanced in Chronic Tension-type Headache Patients." Cephalalgia 28, no. 7 (2008): 744. https://doi.org/10.1111/j.1468-2982.2008.01584.x.
MLA (9th ed.) CitationFernández-de-las-Peñas, C., et al. "Cervical Muscle Co-activation in Isometric Contractions Is Enhanced in Chronic Tension-type Headache Patients." Cephalalgia, vol. 28, no. 7, 2008, p. 744, https://doi.org/10.1111/j.1468-2982.2008.01584.x.